Home / 5,040.38-6,955.50-2,915.57

Finding the Fourth Proportional to 5,040.38, 6,955.50 and 2,915.57

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Solution

The fourth proportional to 5,040.38, 6,955.50 and 2,915.57 is: 4,023.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.38 : 6,955.50 = 2,915.57 : x
  2. Step 2: Convert to fraction form
    5,040.38/6,955.50 = 2,915.57/x
  3. Step 3: Cross multiply
    5,040.38x = 6,955.50 × 2,915.57
  4. Step 4: Simplify right side
    5,040.38x = 20,279,247.14
  5. Step 5: Solve for x
    x = 20,279,247.14/5,040.38
  6. Step 6: Final answer
    x = 4,023.36

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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.