Home / 6,711.25-9,261.65-3,727.36

Finding the Fourth Proportional to 6,711.25, 9,261.65 and 3,727.36

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Solution

The fourth proportional to 6,711.25, 9,261.65 and 3,727.36 is: 5,143.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711.25 : 9,261.65 = 3,727.36 : x
  2. Step 2: Convert to fraction form
    6,711.25/9,261.65 = 3,727.36/x
  3. Step 3: Cross multiply
    6,711.25x = 9,261.65 × 3,727.36
  4. Step 4: Simplify right side
    6,711.25x = 34,521,503.74
  5. Step 5: Solve for x
    x = 34,521,503.74/6,711.25
  6. Step 6: Final answer
    x = 5,143.83

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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.