Home / 4,864.62-6,712.56-2,740.20

Finding the Fourth Proportional to 4,864.62, 6,712.56 and 2,740.20

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Solution

The fourth proportional to 4,864.62, 6,712.56 and 2,740.20 is: 3,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,864.62 : 6,712.56 = 2,740.20 : x
  2. Step 2: Convert to fraction form
    4,864.62/6,712.56 = 2,740.20/x
  3. Step 3: Cross multiply
    4,864.62x = 6,712.56 × 2,740.20
  4. Step 4: Simplify right side
    4,864.62x = 18,393,756.91
  5. Step 5: Solve for x
    x = 18,393,756.91/4,864.62
  6. Step 6: Final answer
    x = 3,781.13

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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.