Home / 8,220.13-11,344.59-4,683.87

Finding the Fourth Proportional to 8,220.13, 11,344.59 and 4,683.87

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Solution

The fourth proportional to 8,220.13, 11,344.59 and 4,683.87 is: 6,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.13 : 11,344.59 = 4,683.87 : x
  2. Step 2: Convert to fraction form
    8,220.13/11,344.59 = 4,683.87/x
  3. Step 3: Cross multiply
    8,220.13x = 11,344.59 × 4,683.87
  4. Step 4: Simplify right side
    8,220.13x = 53,136,584.76
  5. Step 5: Solve for x
    x = 53,136,584.76/8,220.13
  6. Step 6: Final answer
    x = 6,464.20

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Half scale
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Double scale
Find fourth proportional to 8,221.13, 11,345.97 and 4,684.87
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.