Home / 4,877.01-6,730.19-2,780.97

Finding the Fourth Proportional to 4,877.01, 6,730.19 and 2,780.97

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Solution

The fourth proportional to 4,877.01, 6,730.19 and 2,780.97 is: 3,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.01 : 6,730.19 = 2,780.97 : x
  2. Step 2: Convert to fraction form
    4,877.01/6,730.19 = 2,780.97/x
  3. Step 3: Cross multiply
    4,877.01x = 6,730.19 × 2,780.97
  4. Step 4: Simplify right side
    4,877.01x = 18,716,442.58
  5. Step 5: Solve for x
    x = 18,716,442.58/4,877.01
  6. Step 6: Final answer
    x = 3,837.69

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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.