Home / 8,175.36-11,281.68-4,638.42

Finding the Fourth Proportional to 8,175.36, 11,281.68 and 4,638.42

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Solution

The fourth proportional to 8,175.36, 11,281.68 and 4,638.42 is: 6,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.36 : 11,281.68 = 4,638.42 : x
  2. Step 2: Convert to fraction form
    8,175.36/11,281.68 = 4,638.42/x
  3. Step 3: Cross multiply
    8,175.36x = 11,281.68 × 4,638.42
  4. Step 4: Simplify right side
    8,175.36x = 52,329,170.15
  5. Step 5: Solve for x
    x = 52,329,170.15/8,175.36
  6. Step 6: Final answer
    x = 6,400.84

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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.