Home / 6,812.48-10,218.18-2,916.92

Finding the Fourth Proportional to 6,812.48, 10,218.18 and 2,916.92

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Solution

The fourth proportional to 6,812.48, 10,218.18 and 2,916.92 is: 4,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.48 : 10,218.18 = 2,916.92 : x
  2. Step 2: Convert to fraction form
    6,812.48/10,218.18 = 2,916.92/x
  3. Step 3: Cross multiply
    6,812.48x = 10,218.18 × 2,916.92
  4. Step 4: Simplify right side
    6,812.48x = 29,805,613.61
  5. Step 5: Solve for x
    x = 29,805,613.61/6,812.48
  6. Step 6: Final answer
    x = 4,375.15

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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.