Home / 4,377.40-6,040.92-2,489.38

Finding the Fourth Proportional to 4,377.40, 6,040.92 and 2,489.38

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Solution

The fourth proportional to 4,377.40, 6,040.92 and 2,489.38 is: 3,435.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,377.40 : 6,040.92 = 2,489.38 : x
  2. Step 2: Convert to fraction form
    4,377.40/6,040.92 = 2,489.38/x
  3. Step 3: Cross multiply
    4,377.40x = 6,040.92 × 2,489.38
  4. Step 4: Simplify right side
    4,377.40x = 15,038,145.43
  5. Step 5: Solve for x
    x = 15,038,145.43/4,377.40
  6. Step 6: Final answer
    x = 3,435.41

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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.