Home / 6,983.91-9,637.29-4,151.16

Finding the Fourth Proportional to 6,983.91, 9,637.29 and 4,151.16

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Solution

The fourth proportional to 6,983.91, 9,637.29 and 4,151.16 is: 5,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.91 : 9,637.29 = 4,151.16 : x
  2. Step 2: Convert to fraction form
    6,983.91/9,637.29 = 4,151.16/x
  3. Step 3: Cross multiply
    6,983.91x = 9,637.29 × 4,151.16
  4. Step 4: Simplify right side
    6,983.91x = 40,005,932.76
  5. Step 5: Solve for x
    x = 40,005,932.76/6,983.91
  6. Step 6: Final answer
    x = 5,728.30

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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.