Home / 5,519.67-7,613.01-3,903.92

Finding the Fourth Proportional to 5,519.67, 7,613.01 and 3,903.92

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Solution

The fourth proportional to 5,519.67, 7,613.01 and 3,903.92 is: 5,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.67 : 7,613.01 = 3,903.92 : x
  2. Step 2: Convert to fraction form
    5,519.67/7,613.01 = 3,903.92/x
  3. Step 3: Cross multiply
    5,519.67x = 7,613.01 × 3,903.92
  4. Step 4: Simplify right side
    5,519.67x = 29,720,543.93
  5. Step 5: Solve for x
    x = 29,720,543.93/5,519.67
  6. Step 6: Final answer
    x = 5,384.48

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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.