Home / 5,230.61-7,219.49-2,993.78

Finding the Fourth Proportional to 5,230.61, 7,219.49 and 2,993.78

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Solution

The fourth proportional to 5,230.61, 7,219.49 and 2,993.78 is: 4,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.61 : 7,219.49 = 2,993.78 : x
  2. Step 2: Convert to fraction form
    5,230.61/7,219.49 = 2,993.78/x
  3. Step 3: Cross multiply
    5,230.61x = 7,219.49 × 2,993.78
  4. Step 4: Simplify right side
    5,230.61x = 21,613,545.24
  5. Step 5: Solve for x
    x = 21,613,545.24/5,230.61
  6. Step 6: Final answer
    x = 4,132.13

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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.