Home / 7,638.34-11,449.29-4,997.53

Finding the Fourth Proportional to 7,638.34, 11,449.29 and 4,997.53

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Solution

The fourth proportional to 7,638.34, 11,449.29 and 4,997.53 is: 7,490.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638.34 : 11,449.29 = 4,997.53 : x
  2. Step 2: Convert to fraction form
    7,638.34/11,449.29 = 4,997.53/x
  3. Step 3: Cross multiply
    7,638.34x = 11,449.29 × 4,997.53
  4. Step 4: Simplify right side
    7,638.34x = 57,218,170.25
  5. Step 5: Solve for x
    x = 57,218,170.25/7,638.34
  6. Step 6: Final answer
    x = 7,490.92

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1.5x scale

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.