Home / 8,284.61-12,425.54-2,439.86

Finding the Fourth Proportional to 8,284.61, 12,425.54 and 2,439.86

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Solution

The fourth proportional to 8,284.61, 12,425.54 and 2,439.86 is: 3,659.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.61 : 12,425.54 = 2,439.86 : x
  2. Step 2: Convert to fraction form
    8,284.61/12,425.54 = 2,439.86/x
  3. Step 3: Cross multiply
    8,284.61x = 12,425.54 × 2,439.86
  4. Step 4: Simplify right side
    8,284.61x = 30,316,503.70
  5. Step 5: Solve for x
    x = 30,316,503.70/8,284.61
  6. Step 6: Final answer
    x = 3,659.37

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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.