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Finding the Fourth Proportional to 4,737, 7,108.22 and 2,545.80

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Solution

The fourth proportional to 4,737, 7,108.22 and 2,545.80 is: 3,820.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,737 : 7,108.22 = 2,545.80 : x
  2. Step 2: Convert to fraction form
    4,737/7,108.22 = 2,545.80/x
  3. Step 3: Cross multiply
    4,737x = 7,108.22 × 2,545.80
  4. Step 4: Simplify right side
    4,737x = 18,096,106.48
  5. Step 5: Solve for x
    x = 18,096,106.48/4,737
  6. Step 6: Final answer
    x = 3,820.16

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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.