Home / 6,920.28-10,381.95-2,537.78

Finding the Fourth Proportional to 6,920.28, 10,381.95 and 2,537.78

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Solution

The fourth proportional to 6,920.28, 10,381.95 and 2,537.78 is: 3,807.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.28 : 10,381.95 = 2,537.78 : x
  2. Step 2: Convert to fraction form
    6,920.28/10,381.95 = 2,537.78/x
  3. Step 3: Cross multiply
    6,920.28x = 10,381.95 × 2,537.78
  4. Step 4: Simplify right side
    6,920.28x = 26,347,053.16
  5. Step 5: Solve for x
    x = 26,347,053.16/6,920.28
  6. Step 6: Final answer
    x = 3,807.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.