Home / 5,353.11-7,381.80-3,559.95

Finding the Fourth Proportional to 5,353.11, 7,381.80 and 3,559.95

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Solution

The fourth proportional to 5,353.11, 7,381.80 and 3,559.95 is: 4,909.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.11 : 7,381.80 = 3,559.95 : x
  2. Step 2: Convert to fraction form
    5,353.11/7,381.80 = 3,559.95/x
  3. Step 3: Cross multiply
    5,353.11x = 7,381.80 × 3,559.95
  4. Step 4: Simplify right side
    5,353.11x = 26,278,838.91
  5. Step 5: Solve for x
    x = 26,278,838.91/5,353.11
  6. Step 6: Final answer
    x = 4,909.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.