Home / 8,175.22-11,281.69-4,818.17

Finding the Fourth Proportional to 8,175.22, 11,281.69 and 4,818.17

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Solution

The fourth proportional to 8,175.22, 11,281.69 and 4,818.17 is: 6,649.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.22 : 11,281.69 = 4,818.17 : x
  2. Step 2: Convert to fraction form
    8,175.22/11,281.69 = 4,818.17/x
  3. Step 3: Cross multiply
    8,175.22x = 11,281.69 × 4,818.17
  4. Step 4: Simplify right side
    8,175.22x = 54,357,100.31
  5. Step 5: Solve for x
    x = 54,357,100.31/8,175.22
  6. Step 6: Final answer
    x = 6,649.01

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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.