Home / 5,425.44-8,139.60-3,962.40

Finding the Fourth Proportional to 5,425.44, 8,139.60 and 3,962.40

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Solution

The fourth proportional to 5,425.44, 8,139.60 and 3,962.40 is: 5,944.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.44 : 8,139.60 = 3,962.40 : x
  2. Step 2: Convert to fraction form
    5,425.44/8,139.60 = 3,962.40/x
  3. Step 3: Cross multiply
    5,425.44x = 8,139.60 × 3,962.40
  4. Step 4: Simplify right side
    5,425.44x = 32,252,351.04
  5. Step 5: Solve for x
    x = 32,252,351.04/5,425.44
  6. Step 6: Final answer
    x = 5,944.65

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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.