Home / 5,777.91-8,658.50-3,143.18

Finding the Fourth Proportional to 5,777.91, 8,658.50 and 3,143.18

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Solution

The fourth proportional to 5,777.91, 8,658.50 and 3,143.18 is: 4,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.91 : 8,658.50 = 3,143.18 : x
  2. Step 2: Convert to fraction form
    5,777.91/8,658.50 = 3,143.18/x
  3. Step 3: Cross multiply
    5,777.91x = 8,658.50 × 3,143.18
  4. Step 4: Simplify right side
    5,777.91x = 27,215,229.96
  5. Step 5: Solve for x
    x = 27,215,229.96/5,777.91
  6. Step 6: Final answer
    x = 4,710.22

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1.5x scale

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.