Home / 5,381.76-7,426.56-3,257.76

Finding the Fourth Proportional to 5,381.76, 7,426.56 and 3,257.76

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Solution

The fourth proportional to 5,381.76, 7,426.56 and 3,257.76 is: 4,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.76 : 7,426.56 = 3,257.76 : x
  2. Step 2: Convert to fraction form
    5,381.76/7,426.56 = 3,257.76/x
  3. Step 3: Cross multiply
    5,381.76x = 7,426.56 × 3,257.76
  4. Step 4: Simplify right side
    5,381.76x = 24,193,950.11
  5. Step 5: Solve for x
    x = 24,193,950.11/5,381.76
  6. Step 6: Final answer
    x = 4,495.55

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1.5x scale

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.