Home / 5,516.80-7,614.20-3,158.93

Finding the Fourth Proportional to 5,516.80, 7,614.20 and 3,158.93

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Solution

The fourth proportional to 5,516.80, 7,614.20 and 3,158.93 is: 4,359.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.80 : 7,614.20 = 3,158.93 : x
  2. Step 2: Convert to fraction form
    5,516.80/7,614.20 = 3,158.93/x
  3. Step 3: Cross multiply
    5,516.80x = 7,614.20 × 3,158.93
  4. Step 4: Simplify right side
    5,516.80x = 24,052,751.74
  5. Step 5: Solve for x
    x = 24,052,751.74/5,516.80
  6. Step 6: Final answer
    x = 4,359.91

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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.