Home / 8,289.46-12,425.16-4,132.54

Finding the Fourth Proportional to 8,289.46, 12,425.16 and 4,132.54

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Solution

The fourth proportional to 8,289.46, 12,425.16 and 4,132.54 is: 6,194.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.46 : 12,425.16 = 4,132.54 : x
  2. Step 2: Convert to fraction form
    8,289.46/12,425.16 = 4,132.54/x
  3. Step 3: Cross multiply
    8,289.46x = 12,425.16 × 4,132.54
  4. Step 4: Simplify right side
    8,289.46x = 51,347,470.71
  5. Step 5: Solve for x
    x = 51,347,470.71/8,289.46
  6. Step 6: Final answer
    x = 6,194.31

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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.