Home / 4,877.62-6,729.45-2,781.22

Finding the Fourth Proportional to 4,877.62, 6,729.45 and 2,781.22

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Solution

The fourth proportional to 4,877.62, 6,729.45 and 2,781.22 is: 3,837.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.62 : 6,729.45 = 2,781.22 : x
  2. Step 2: Convert to fraction form
    4,877.62/6,729.45 = 2,781.22/x
  3. Step 3: Cross multiply
    4,877.62x = 6,729.45 × 2,781.22
  4. Step 4: Simplify right side
    4,877.62x = 18,716,080.93
  5. Step 5: Solve for x
    x = 18,716,080.93/4,877.62
  6. Step 6: Final answer
    x = 3,837.13

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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.