Home / 5,277.60-7,909.20-4,305.60

Finding the Fourth Proportional to 5,277.60, 7,909.20 and 4,305.60

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Solution

The fourth proportional to 5,277.60, 7,909.20 and 4,305.60 is: 6,452.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.60 : 7,909.20 = 4,305.60 : x
  2. Step 2: Convert to fraction form
    5,277.60/7,909.20 = 4,305.60/x
  3. Step 3: Cross multiply
    5,277.60x = 7,909.20 × 4,305.60
  4. Step 4: Simplify right side
    5,277.60x = 34,053,851.52
  5. Step 5: Solve for x
    x = 34,053,851.52/5,277.60
  6. Step 6: Final answer
    x = 6,452.53

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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.