Home / 8,175.15-11,282.08-4,818.11

Finding the Fourth Proportional to 8,175.15, 11,282.08 and 4,818.11

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Solution

The fourth proportional to 8,175.15, 11,282.08 and 4,818.11 is: 6,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.15 : 11,282.08 = 4,818.11 : x
  2. Step 2: Convert to fraction form
    8,175.15/11,282.08 = 4,818.11/x
  3. Step 3: Cross multiply
    8,175.15x = 11,282.08 × 4,818.11
  4. Step 4: Simplify right side
    8,175.15x = 54,358,234.01
  5. Step 5: Solve for x
    x = 54,358,234.01/8,175.15
  6. Step 6: Final answer
    x = 6,649.20

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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.