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Finding the Fourth Proportional to 8,630.54, 12,943.76 and 3,702.50

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Solution

The fourth proportional to 8,630.54, 12,943.76 and 3,702.50 is: 5,552.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.54 : 12,943.76 = 3,702.50 : x
  2. Step 2: Convert to fraction form
    8,630.54/12,943.76 = 3,702.50/x
  3. Step 3: Cross multiply
    8,630.54x = 12,943.76 × 3,702.50
  4. Step 4: Simplify right side
    8,630.54x = 47,924,271.40
  5. Step 5: Solve for x
    x = 47,924,271.40/8,630.54
  6. Step 6: Final answer
    x = 5,552.87

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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.