Home / 5,262.70-7,257.36-4,003.78

Finding the Fourth Proportional to 5,262.70, 7,257.36 and 4,003.78

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Solution

The fourth proportional to 5,262.70, 7,257.36 and 4,003.78 is: 5,521.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.70 : 7,257.36 = 4,003.78 : x
  2. Step 2: Convert to fraction form
    5,262.70/7,257.36 = 4,003.78/x
  3. Step 3: Cross multiply
    5,262.70x = 7,257.36 × 4,003.78
  4. Step 4: Simplify right side
    5,262.70x = 29,056,872.82
  5. Step 5: Solve for x
    x = 29,056,872.82/5,262.70
  6. Step 6: Final answer
    x = 5,521.29

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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.