Home / 5,174.80-7,760.91-2,398.81

Finding the Fourth Proportional to 5,174.80, 7,760.91 and 2,398.81

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Solution

The fourth proportional to 5,174.80, 7,760.91 and 2,398.81 is: 3,597.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.80 : 7,760.91 = 2,398.81 : x
  2. Step 2: Convert to fraction form
    5,174.80/7,760.91 = 2,398.81/x
  3. Step 3: Cross multiply
    5,174.80x = 7,760.91 × 2,398.81
  4. Step 4: Simplify right side
    5,174.80x = 18,616,948.52
  5. Step 5: Solve for x
    x = 18,616,948.52/5,174.80
  6. Step 6: Final answer
    x = 3,597.62

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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.