Home / 8,264.97-12,397.86-2,421.63

Finding the Fourth Proportional to 8,264.97, 12,397.86 and 2,421.63

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Solution

The fourth proportional to 8,264.97, 12,397.86 and 2,421.63 is: 3,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.97 : 12,397.86 = 2,421.63 : x
  2. Step 2: Convert to fraction form
    8,264.97/12,397.86 = 2,421.63/x
  3. Step 3: Cross multiply
    8,264.97x = 12,397.86 × 2,421.63
  4. Step 4: Simplify right side
    8,264.97x = 30,023,029.71
  5. Step 5: Solve for x
    x = 30,023,029.71/8,264.97
  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.