Home / 5,575.60-8,363.40-3,617.20

Finding the Fourth Proportional to 5,575.60, 8,363.40 and 3,617.20

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Solution

The fourth proportional to 5,575.60, 8,363.40 and 3,617.20 is: 5,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.60 : 8,363.40 = 3,617.20 : x
  2. Step 2: Convert to fraction form
    5,575.60/8,363.40 = 3,617.20/x
  3. Step 3: Cross multiply
    5,575.60x = 8,363.40 × 3,617.20
  4. Step 4: Simplify right side
    5,575.60x = 30,252,090.48
  5. Step 5: Solve for x
    x = 30,252,090.48/5,575.60
  6. Step 6: Final answer
    x = 5,425.80

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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.