Home / 5,388.40-7,437.89-4,553.53

Finding the Fourth Proportional to 5,388.40, 7,437.89 and 4,553.53

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Solution

The fourth proportional to 5,388.40, 7,437.89 and 4,553.53 is: 6,285.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.40 : 7,437.89 = 4,553.53 : x
  2. Step 2: Convert to fraction form
    5,388.40/7,437.89 = 4,553.53/x
  3. Step 3: Cross multiply
    5,388.40x = 7,437.89 × 4,553.53
  4. Step 4: Simplify right side
    5,388.40x = 33,868,655.25
  5. Step 5: Solve for x
    x = 33,868,655.25/5,388.40
  6. Step 6: Final answer
    x = 6,285.48

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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.