Home / 8,175.05-11,281.23-4,638.18

Finding the Fourth Proportional to 8,175.05, 11,281.23 and 4,638.18

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Solution

The fourth proportional to 8,175.05, 11,281.23 and 4,638.18 is: 6,400.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.05 : 11,281.23 = 4,638.18 : x
  2. Step 2: Convert to fraction form
    8,175.05/11,281.23 = 4,638.18/x
  3. Step 3: Cross multiply
    8,175.05x = 11,281.23 × 4,638.18
  4. Step 4: Simplify right side
    8,175.05x = 52,324,375.36
  5. Step 5: Solve for x
    x = 52,324,375.36/8,175.05
  6. Step 6: Final answer
    x = 6,400.50

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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.