Home / 6,711.12-9,261.74-3,727.28

Finding the Fourth Proportional to 6,711.12, 9,261.74 and 3,727.28

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Solution

The fourth proportional to 6,711.12, 9,261.74 and 3,727.28 is: 5,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711.12 : 9,261.74 = 3,727.28 : x
  2. Step 2: Convert to fraction form
    6,711.12/9,261.74 = 3,727.28/x
  3. Step 3: Cross multiply
    6,711.12x = 9,261.74 × 3,727.28
  4. Step 4: Simplify right side
    6,711.12x = 34,521,098.27
  5. Step 5: Solve for x
    x = 34,521,098.27/6,711.12
  6. Step 6: Final answer
    x = 5,143.87

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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.