Home / 5,777.08-8,666.78-2,079.61

Finding the Fourth Proportional to 5,777.08, 8,666.78 and 2,079.61

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Solution

The fourth proportional to 5,777.08, 8,666.78 and 2,079.61 is: 3,119.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.08 : 8,666.78 = 2,079.61 : x
  2. Step 2: Convert to fraction form
    5,777.08/8,666.78 = 2,079.61/x
  3. Step 3: Cross multiply
    5,777.08x = 8,666.78 × 2,079.61
  4. Step 4: Simplify right side
    5,777.08x = 18,023,490.29
  5. Step 5: Solve for x
    x = 18,023,490.29/5,777.08
  6. Step 6: Final answer
    x = 3,119.83

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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.