Home / 5,381.49-7,426.55-3,257.07

Finding the Fourth Proportional to 5,381.49, 7,426.55 and 3,257.07

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Solution

The fourth proportional to 5,381.49, 7,426.55 and 3,257.07 is: 4,494.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.49 : 7,426.55 = 3,257.07 : x
  2. Step 2: Convert to fraction form
    5,381.49/7,426.55 = 3,257.07/x
  3. Step 3: Cross multiply
    5,381.49x = 7,426.55 × 3,257.07
  4. Step 4: Simplify right side
    5,381.49x = 24,188,793.21
  5. Step 5: Solve for x
    x = 24,188,793.21/5,381.49
  6. Step 6: Final answer
    x = 4,494.81

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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.