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Finding the Fourth Proportional to 8,740.86, 13,095.11 and 6,759.47

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Solution

The fourth proportional to 8,740.86, 13,095.11 and 6,759.47 is: 10,126.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.86 : 13,095.11 = 6,759.47 : x
  2. Step 2: Convert to fraction form
    8,740.86/13,095.11 = 6,759.47/x
  3. Step 3: Cross multiply
    8,740.86x = 13,095.11 × 6,759.47
  4. Step 4: Simplify right side
    8,740.86x = 88,516,003.72
  5. Step 5: Solve for x
    x = 88,516,003.72/8,740.86
  6. Step 6: Final answer
    x = 10,126.69

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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.