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Finding the Fourth Proportional to 4,993.77, 7,480.62 and 2,487.40

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Solution

The fourth proportional to 4,993.77, 7,480.62 and 2,487.40 is: 3,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.77 : 7,480.62 = 2,487.40 : x
  2. Step 2: Convert to fraction form
    4,993.77/7,480.62 = 2,487.40/x
  3. Step 3: Cross multiply
    4,993.77x = 7,480.62 × 2,487.40
  4. Step 4: Simplify right side
    4,993.77x = 18,607,294.19
  5. Step 5: Solve for x
    x = 18,607,294.19/4,993.77
  6. Step 6: Final answer
    x = 3,726.10

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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.