Home / 5,591.28-8,386.91-1,431.29

Finding the Fourth Proportional to 5,591.28, 8,386.91 and 1,431.29

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Solution

The fourth proportional to 5,591.28, 8,386.91 and 1,431.29 is: 2,146.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.28 : 8,386.91 = 1,431.29 : x
  2. Step 2: Convert to fraction form
    5,591.28/8,386.91 = 1,431.29/x
  3. Step 3: Cross multiply
    5,591.28x = 8,386.91 × 1,431.29
  4. Step 4: Simplify right side
    5,591.28x = 12,004,100.41
  5. Step 5: Solve for x
    x = 12,004,100.41/5,591.28
  6. Step 6: Final answer
    x = 2,146.93

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Double scale
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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.