Home / 8,175.40-12,248.70-5,093.80

Finding the Fourth Proportional to 8,175.40, 12,248.70 and 5,093.80

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Solution

The fourth proportional to 8,175.40, 12,248.70 and 5,093.80 is: 7,631.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.40 : 12,248.70 = 5,093.80 : x
  2. Step 2: Convert to fraction form
    8,175.40/12,248.70 = 5,093.80/x
  3. Step 3: Cross multiply
    8,175.40x = 12,248.70 × 5,093.80
  4. Step 4: Simplify right side
    8,175.40x = 62,392,428.06
  5. Step 5: Solve for x
    x = 62,392,428.06/8,175.40
  6. Step 6: Final answer
    x = 7,631.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.