Home / 8,265.18-12,397.10-2,421.84

Finding the Fourth Proportional to 8,265.18, 12,397.10 and 2,421.84

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Solution

The fourth proportional to 8,265.18, 12,397.10 and 2,421.84 is: 3,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.18 : 12,397.10 = 2,421.84 : x
  2. Step 2: Convert to fraction form
    8,265.18/12,397.10 = 2,421.84/x
  3. Step 3: Cross multiply
    8,265.18x = 12,397.10 × 2,421.84
  4. Step 4: Simplify right side
    8,265.18x = 30,023,780.55
  5. Step 5: Solve for x
    x = 30,023,780.55/8,265.18
  6. Step 6: Final answer
    x = 3,632.56

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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.