Home / 7,648.97-10,554.30-4,505.78

Finding the Fourth Proportional to 7,648.97, 10,554.30 and 4,505.78

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Solution

The fourth proportional to 7,648.97, 10,554.30 and 4,505.78 is: 6,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.97 : 10,554.30 = 4,505.78 : x
  2. Step 2: Convert to fraction form
    7,648.97/10,554.30 = 4,505.78/x
  3. Step 3: Cross multiply
    7,648.97x = 10,554.30 × 4,505.78
  4. Step 4: Simplify right side
    7,648.97x = 47,555,353.85
  5. Step 5: Solve for x
    x = 47,555,353.85/7,648.97
  6. Step 6: Final answer
    x = 6,217.22

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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.