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Finding the Fourth Proportional to 8,666.02, 13,000.95 and 4,046.50

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Solution

The fourth proportional to 8,666.02, 13,000.95 and 4,046.50 is: 6,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.02 : 13,000.95 = 4,046.50 : x
  2. Step 2: Convert to fraction form
    8,666.02/13,000.95 = 4,046.50/x
  3. Step 3: Cross multiply
    8,666.02x = 13,000.95 × 4,046.50
  4. Step 4: Simplify right side
    8,666.02x = 52,608,344.18
  5. Step 5: Solve for x
    x = 52,608,344.18/8,666.02
  6. Step 6: Final answer
    x = 6,070.65

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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.