Home / 7,378.38-10,175.49-4,859.69

Finding the Fourth Proportional to 7,378.38, 10,175.49 and 4,859.69

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Solution

The fourth proportional to 7,378.38, 10,175.49 and 4,859.69 is: 6,701.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.38 : 10,175.49 = 4,859.69 : x
  2. Step 2: Convert to fraction form
    7,378.38/10,175.49 = 4,859.69/x
  3. Step 3: Cross multiply
    7,378.38x = 10,175.49 × 4,859.69
  4. Step 4: Simplify right side
    7,378.38x = 49,449,676.12
  5. Step 5: Solve for x
    x = 49,449,676.12/7,378.38
  6. Step 6: Final answer
    x = 6,701.97

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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.