Home / 8,799.80-12,143.72-4,820.91

Finding the Fourth Proportional to 8,799.80, 12,143.72 and 4,820.91

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Solution

The fourth proportional to 8,799.80, 12,143.72 and 4,820.91 is: 6,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.80 : 12,143.72 = 4,820.91 : x
  2. Step 2: Convert to fraction form
    8,799.80/12,143.72 = 4,820.91/x
  3. Step 3: Cross multiply
    8,799.80x = 12,143.72 × 4,820.91
  4. Step 4: Simplify right side
    8,799.80x = 58,543,757.08
  5. Step 5: Solve for x
    x = 58,543,757.08/8,799.80
  6. Step 6: Final answer
    x = 6,652.85

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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.