Home / 4,431.21-6,646.86-1,144.23

Finding the Fourth Proportional to 4,431.21, 6,646.86 and 1,144.23

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Solution

The fourth proportional to 4,431.21, 6,646.86 and 1,144.23 is: 1,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.21 : 6,646.86 = 1,144.23 : x
  2. Step 2: Convert to fraction form
    4,431.21/6,646.86 = 1,144.23/x
  3. Step 3: Cross multiply
    4,431.21x = 6,646.86 × 1,144.23
  4. Step 4: Simplify right side
    4,431.21x = 7,605,511.69
  5. Step 5: Solve for x
    x = 7,605,511.69/4,431.21
  6. Step 6: Final answer
    x = 1,716.35

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Half scale
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Double scale
Find fourth proportional to 4,432.21, 6,648.36 and 1,145.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.