Home / 6,711.07-9,261.39-3,916.57

Finding the Fourth Proportional to 6,711.07, 9,261.39 and 3,916.57

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Solution

The fourth proportional to 6,711.07, 9,261.39 and 3,916.57 is: 5,404.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711.07 : 9,261.39 = 3,916.57 : x
  2. Step 2: Convert to fraction form
    6,711.07/9,261.39 = 3,916.57/x
  3. Step 3: Cross multiply
    6,711.07x = 9,261.39 × 3,916.57
  4. Step 4: Simplify right side
    6,711.07x = 36,272,882.23
  5. Step 5: Solve for x
    x = 36,272,882.23/6,711.07
  6. Step 6: Final answer
    x = 5,404.93

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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.