Home / 9,007.13-12,431.27-5,281.13

Finding the Fourth Proportional to 9,007.13, 12,431.27 and 5,281.13

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Solution

The fourth proportional to 9,007.13, 12,431.27 and 5,281.13 is: 7,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.13 : 12,431.27 = 5,281.13 : x
  2. Step 2: Convert to fraction form
    9,007.13/12,431.27 = 5,281.13/x
  3. Step 3: Cross multiply
    9,007.13x = 12,431.27 × 5,281.13
  4. Step 4: Simplify right side
    9,007.13x = 65,651,152.94
  5. Step 5: Solve for x
    x = 65,651,152.94/9,007.13
  6. Step 6: Final answer
    x = 7,288.80

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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.