Home / 8,799.43-12,143.51-4,820.77

Finding the Fourth Proportional to 8,799.43, 12,143.51 and 4,820.77

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Solution

The fourth proportional to 8,799.43, 12,143.51 and 4,820.77 is: 6,652.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.43 : 12,143.51 = 4,820.77 : x
  2. Step 2: Convert to fraction form
    8,799.43/12,143.51 = 4,820.77/x
  3. Step 3: Cross multiply
    8,799.43x = 12,143.51 × 4,820.77
  4. Step 4: Simplify right side
    8,799.43x = 58,541,068.70
  5. Step 5: Solve for x
    x = 58,541,068.70/8,799.43
  6. Step 6: Final answer
    x = 6,652.83

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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.