Home / 7,060.40-9,743.20-3,916.52

Finding the Fourth Proportional to 7,060.40, 9,743.20 and 3,916.52

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Solution

The fourth proportional to 7,060.40, 9,743.20 and 3,916.52 is: 5,404.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.40 : 9,743.20 = 3,916.52 : x
  2. Step 2: Convert to fraction form
    7,060.40/9,743.20 = 3,916.52/x
  3. Step 3: Cross multiply
    7,060.40x = 9,743.20 × 3,916.52
  4. Step 4: Simplify right side
    7,060.40x = 38,159,437.66
  5. Step 5: Solve for x
    x = 38,159,437.66/7,060.40
  6. Step 6: Final answer
    x = 5,404.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.