Home / 8,321.28-11,483.41-4,544.40

Finding the Fourth Proportional to 8,321.28, 11,483.41 and 4,544.40

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Solution

The fourth proportional to 8,321.28, 11,483.41 and 4,544.40 is: 6,271.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321.28 : 11,483.41 = 4,544.40 : x
  2. Step 2: Convert to fraction form
    8,321.28/11,483.41 = 4,544.40/x
  3. Step 3: Cross multiply
    8,321.28x = 11,483.41 × 4,544.40
  4. Step 4: Simplify right side
    8,321.28x = 52,185,150.99
  5. Step 5: Solve for x
    x = 52,185,150.99/8,321.28
  6. Step 6: Final answer
    x = 6,271.29

Related Problems

Find fourth proportional to 4,160.64, 5,741.71 and 2,272.20
Half scale
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Double scale
Find fourth proportional to 8,322.28, 11,484.79 and 4,545.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.