Home / 5,505.60-8,242.56-3,558.72

Finding the Fourth Proportional to 5,505.60, 8,242.56 and 3,558.72

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Solution

The fourth proportional to 5,505.60, 8,242.56 and 3,558.72 is: 5,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.60 : 8,242.56 = 3,558.72 : x
  2. Step 2: Convert to fraction form
    5,505.60/8,242.56 = 3,558.72/x
  3. Step 3: Cross multiply
    5,505.60x = 8,242.56 × 3,558.72
  4. Step 4: Simplify right side
    5,505.60x = 29,332,963.12
  5. Step 5: Solve for x
    x = 29,332,963.12/5,505.60
  6. Step 6: Final answer
    x = 5,327.84

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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.