Home / 5,719.60-8,562.60-4,265.20

Finding the Fourth Proportional to 5,719.60, 8,562.60 and 4,265.20

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Solution

The fourth proportional to 5,719.60, 8,562.60 and 4,265.20 is: 6,385.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.60 : 8,562.60 = 4,265.20 : x
  2. Step 2: Convert to fraction form
    5,719.60/8,562.60 = 4,265.20/x
  3. Step 3: Cross multiply
    5,719.60x = 8,562.60 × 4,265.20
  4. Step 4: Simplify right side
    5,719.60x = 36,521,201.52
  5. Step 5: Solve for x
    x = 36,521,201.52/5,719.60
  6. Step 6: Final answer
    x = 6,385.27

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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.