Home / 7,910.38-10,915.37-4,373.11

Finding the Fourth Proportional to 7,910.38, 10,915.37 and 4,373.11

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Solution

The fourth proportional to 7,910.38, 10,915.37 and 4,373.11 is: 6,034.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.38 : 10,915.37 = 4,373.11 : x
  2. Step 2: Convert to fraction form
    7,910.38/10,915.37 = 4,373.11/x
  3. Step 3: Cross multiply
    7,910.38x = 10,915.37 × 4,373.11
  4. Step 4: Simplify right side
    7,910.38x = 47,734,113.70
  5. Step 5: Solve for x
    x = 47,734,113.70/7,910.38
  6. Step 6: Final answer
    x = 6,034.36

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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.