Home / 9,287.27-12,816.38-5,038.32

Finding the Fourth Proportional to 9,287.27, 12,816.38 and 5,038.32

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Solution

The fourth proportional to 9,287.27, 12,816.38 and 5,038.32 is: 6,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.27 : 12,816.38 = 5,038.32 : x
  2. Step 2: Convert to fraction form
    9,287.27/12,816.38 = 5,038.32/x
  3. Step 3: Cross multiply
    9,287.27x = 12,816.38 × 5,038.32
  4. Step 4: Simplify right side
    9,287.27x = 64,572,998.49
  5. Step 5: Solve for x
    x = 64,572,998.49/9,287.27
  6. Step 6: Final answer
    x = 6,952.85

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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.