Home / 7,060.28-9,743.76-3,916.40

Finding the Fourth Proportional to 7,060.28, 9,743.76 and 3,916.40

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Solution

The fourth proportional to 7,060.28, 9,743.76 and 3,916.40 is: 5,404.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.28 : 9,743.76 = 3,916.40 : x
  2. Step 2: Convert to fraction form
    7,060.28/9,743.76 = 3,916.40/x
  3. Step 3: Cross multiply
    7,060.28x = 9,743.76 × 3,916.40
  4. Step 4: Simplify right side
    7,060.28x = 38,160,461.66
  5. Step 5: Solve for x
    x = 38,160,461.66/7,060.28
  6. Step 6: Final answer
    x = 5,404.95

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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.