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Finding the Fourth Proportional to 7,957.95, 10,981.16 and 4,600.11

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Solution

The fourth proportional to 7,957.95, 10,981.16 and 4,600.11 is: 6,347.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.95 : 10,981.16 = 4,600.11 : x
  2. Step 2: Convert to fraction form
    7,957.95/10,981.16 = 4,600.11/x
  3. Step 3: Cross multiply
    7,957.95x = 10,981.16 × 4,600.11
  4. Step 4: Simplify right side
    7,957.95x = 50,514,520.93
  5. Step 5: Solve for x
    x = 50,514,520.93/7,957.95
  6. Step 6: Final answer
    x = 6,347.68

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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.