Home / 9,123.28-13,686.03-3,575.88

Finding the Fourth Proportional to 9,123.28, 13,686.03 and 3,575.88

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Solution

The fourth proportional to 9,123.28, 13,686.03 and 3,575.88 is: 5,364.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123.28 : 13,686.03 = 3,575.88 : x
  2. Step 2: Convert to fraction form
    9,123.28/13,686.03 = 3,575.88/x
  3. Step 3: Cross multiply
    9,123.28x = 13,686.03 × 3,575.88
  4. Step 4: Simplify right side
    9,123.28x = 48,939,600.96
  5. Step 5: Solve for x
    x = 48,939,600.96/9,123.28
  6. Step 6: Final answer
    x = 5,364.26

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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.