Home / 8,799.15-12,142.87-4,820.25

Finding the Fourth Proportional to 8,799.15, 12,142.87 and 4,820.25

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Solution

The fourth proportional to 8,799.15, 12,142.87 and 4,820.25 is: 6,651.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.15 : 12,142.87 = 4,820.25 : x
  2. Step 2: Convert to fraction form
    8,799.15/12,142.87 = 4,820.25/x
  3. Step 3: Cross multiply
    8,799.15x = 12,142.87 × 4,820.25
  4. Step 4: Simplify right side
    8,799.15x = 58,531,669.12
  5. Step 5: Solve for x
    x = 58,531,669.12/8,799.15
  6. Step 6: Final answer
    x = 6,651.97

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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.