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Finding the Fourth Proportional to 8,577.66, 12,848.61 and 6,902.76

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Solution

The fourth proportional to 8,577.66, 12,848.61 and 6,902.76 is: 10,339.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.66 : 12,848.61 = 6,902.76 : x
  2. Step 2: Convert to fraction form
    8,577.66/12,848.61 = 6,902.76/x
  3. Step 3: Cross multiply
    8,577.66x = 12,848.61 × 6,902.76
  4. Step 4: Simplify right side
    8,577.66x = 88,690,871.16
  5. Step 5: Solve for x
    x = 88,690,871.16/8,577.66
  6. Step 6: Final answer
    x = 10,339.75

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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.