Home / 8,820.17-12,171.43-4,841.20

Finding the Fourth Proportional to 8,820.17, 12,171.43 and 4,841.20

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Solution

The fourth proportional to 8,820.17, 12,171.43 and 4,841.20 is: 6,680.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.17 : 12,171.43 = 4,841.20 : x
  2. Step 2: Convert to fraction form
    8,820.17/12,171.43 = 4,841.20/x
  3. Step 3: Cross multiply
    8,820.17x = 12,171.43 × 4,841.20
  4. Step 4: Simplify right side
    8,820.17x = 58,924,326.92
  5. Step 5: Solve for x
    x = 58,924,326.92/8,820.17
  6. Step 6: Final answer
    x = 6,680.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.