Home / 8,175.12-11,282.10-4,818

Finding the Fourth Proportional to 8,175.12, 11,282.10 and 4,818

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Solution

The fourth proportional to 8,175.12, 11,282.10 and 4,818 is: 6,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.12 : 11,282.10 = 4,818 : x
  2. Step 2: Convert to fraction form
    8,175.12/11,282.10 = 4,818/x
  3. Step 3: Cross multiply
    8,175.12x = 11,282.10 × 4,818
  4. Step 4: Simplify right side
    8,175.12x = 54,357,157.80
  5. Step 5: Solve for x
    x = 54,357,157.80/8,175.12
  6. Step 6: Final answer
    x = 6,649.10

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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.