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Finding the Fourth Proportional to 7,953.90, 11,930.96 and 2,407.29

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Solution

The fourth proportional to 7,953.90, 11,930.96 and 2,407.29 is: 3,610.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.90 : 11,930.96 = 2,407.29 : x
  2. Step 2: Convert to fraction form
    7,953.90/11,930.96 = 2,407.29/x
  3. Step 3: Cross multiply
    7,953.90x = 11,930.96 × 2,407.29
  4. Step 4: Simplify right side
    7,953.90x = 28,721,280.70
  5. Step 5: Solve for x
    x = 28,721,280.70/7,953.90
  6. Step 6: Final answer
    x = 3,610.97

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1.5x scale

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.