Home / 5,442.78-8,150.24-3,588.21

Finding the Fourth Proportional to 5,442.78, 8,150.24 and 3,588.21

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Solution

The fourth proportional to 5,442.78, 8,150.24 and 3,588.21 is: 5,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.78 : 8,150.24 = 3,588.21 : x
  2. Step 2: Convert to fraction form
    5,442.78/8,150.24 = 3,588.21/x
  3. Step 3: Cross multiply
    5,442.78x = 8,150.24 × 3,588.21
  4. Step 4: Simplify right side
    5,442.78x = 29,244,754.73
  5. Step 5: Solve for x
    x = 29,244,754.73/5,442.78
  6. Step 6: Final answer
    x = 5,373.13

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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.