Home / 9,124.89-13,677.30-3,577.20

Finding the Fourth Proportional to 9,124.89, 13,677.30 and 3,577.20

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Solution

The fourth proportional to 9,124.89, 13,677.30 and 3,577.20 is: 5,361.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.89 : 13,677.30 = 3,577.20 : x
  2. Step 2: Convert to fraction form
    9,124.89/13,677.30 = 3,577.20/x
  3. Step 3: Cross multiply
    9,124.89x = 13,677.30 × 3,577.20
  4. Step 4: Simplify right side
    9,124.89x = 48,926,437.56
  5. Step 5: Solve for x
    x = 48,926,437.56/9,124.89
  6. Step 6: Final answer
    x = 5,361.87

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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.