Home / 8,242.48-11,376.42-5,257.66

Finding the Fourth Proportional to 8,242.48, 11,376.42 and 5,257.66

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Solution

The fourth proportional to 8,242.48, 11,376.42 and 5,257.66 is: 7,256.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.48 : 11,376.42 = 5,257.66 : x
  2. Step 2: Convert to fraction form
    8,242.48/11,376.42 = 5,257.66/x
  3. Step 3: Cross multiply
    8,242.48x = 11,376.42 × 5,257.66
  4. Step 4: Simplify right side
    8,242.48x = 59,813,348.38
  5. Step 5: Solve for x
    x = 59,813,348.38/8,242.48
  6. Step 6: Final answer
    x = 7,256.72

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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.