Home / 8,175.43-11,282.12-4,638.63

Finding the Fourth Proportional to 8,175.43, 11,282.12 and 4,638.63

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Solution

The fourth proportional to 8,175.43, 11,282.12 and 4,638.63 is: 6,401.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.43 : 11,282.12 = 4,638.63 : x
  2. Step 2: Convert to fraction form
    8,175.43/11,282.12 = 4,638.63/x
  3. Step 3: Cross multiply
    8,175.43x = 11,282.12 × 4,638.63
  4. Step 4: Simplify right side
    8,175.43x = 52,333,616.81
  5. Step 5: Solve for x
    x = 52,333,616.81/8,175.43
  6. Step 6: Final answer
    x = 6,401.33

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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.