Home / 4,377.38-6,040.78-2,805.47

Finding the Fourth Proportional to 4,377.38, 6,040.78 and 2,805.47

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Solution

The fourth proportional to 4,377.38, 6,040.78 and 2,805.47 is: 3,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,377.38 : 6,040.78 = 2,805.47 : x
  2. Step 2: Convert to fraction form
    4,377.38/6,040.78 = 2,805.47/x
  3. Step 3: Cross multiply
    4,377.38x = 6,040.78 × 2,805.47
  4. Step 4: Simplify right side
    4,377.38x = 16,947,212.50
  5. Step 5: Solve for x
    x = 16,947,212.50/4,377.38
  6. Step 6: Final answer
    x = 3,871.55

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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.