Home / 5,516.91-7,613.53-2,999.21

Finding the Fourth Proportional to 5,516.91, 7,613.53 and 2,999.21

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Solution

The fourth proportional to 5,516.91, 7,613.53 and 2,999.21 is: 4,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.91 : 7,613.53 = 2,999.21 : x
  2. Step 2: Convert to fraction form
    5,516.91/7,613.53 = 2,999.21/x
  3. Step 3: Cross multiply
    5,516.91x = 7,613.53 × 2,999.21
  4. Step 4: Simplify right side
    5,516.91x = 22,834,529.75
  5. Step 5: Solve for x
    x = 22,834,529.75/5,516.91
  6. Step 6: Final answer
    x = 4,139.01

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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.