Home / 4,613.17-6,921.10-2,740.78

Finding the Fourth Proportional to 4,613.17, 6,921.10 and 2,740.78

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Solution

The fourth proportional to 4,613.17, 6,921.10 and 2,740.78 is: 4,111.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.17 : 6,921.10 = 2,740.78 : x
  2. Step 2: Convert to fraction form
    4,613.17/6,921.10 = 2,740.78/x
  3. Step 3: Cross multiply
    4,613.17x = 6,921.10 × 2,740.78
  4. Step 4: Simplify right side
    4,613.17x = 18,969,212.46
  5. Step 5: Solve for x
    x = 18,969,212.46/4,613.17
  6. Step 6: Final answer
    x = 4,111.97

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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.