Home / 8,113.60-12,175.52-5,193.92

Finding the Fourth Proportional to 8,113.60, 12,175.52 and 5,193.92

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Solution

The fourth proportional to 8,113.60, 12,175.52 and 5,193.92 is: 7,794.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.60 : 12,175.52 = 5,193.92 : x
  2. Step 2: Convert to fraction form
    8,113.60/12,175.52 = 5,193.92/x
  3. Step 3: Cross multiply
    8,113.60x = 12,175.52 × 5,193.92
  4. Step 4: Simplify right side
    8,113.60x = 63,238,676.84
  5. Step 5: Solve for x
    x = 63,238,676.84/8,113.60
  6. Step 6: Final answer
    x = 7,794.16

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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.