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Finding the Fourth Proportional to 8,359.50, 12,545.02 and 2,887.50

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Solution

The fourth proportional to 8,359.50, 12,545.02 and 2,887.50 is: 4,333.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.50 : 12,545.02 = 2,887.50 : x
  2. Step 2: Convert to fraction form
    8,359.50/12,545.02 = 2,887.50/x
  3. Step 3: Cross multiply
    8,359.50x = 12,545.02 × 2,887.50
  4. Step 4: Simplify right side
    8,359.50x = 36,223,745.25
  5. Step 5: Solve for x
    x = 36,223,745.25/8,359.50
  6. Step 6: Final answer
    x = 4,333.24

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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.