Home / 4,917.38-6,785.89-2,927.88

Finding the Fourth Proportional to 4,917.38, 6,785.89 and 2,927.88

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Solution

The fourth proportional to 4,917.38, 6,785.89 and 2,927.88 is: 4,040.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.38 : 6,785.89 = 2,927.88 : x
  2. Step 2: Convert to fraction form
    4,917.38/6,785.89 = 2,927.88/x
  3. Step 3: Cross multiply
    4,917.38x = 6,785.89 × 2,927.88
  4. Step 4: Simplify right side
    4,917.38x = 19,868,264.29
  5. Step 5: Solve for x
    x = 19,868,264.29/4,917.38
  6. Step 6: Final answer
    x = 4,040.42

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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.