Home / 8,175.54-11,281.91-4,638.95

Finding the Fourth Proportional to 8,175.54, 11,281.91 and 4,638.95

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Solution

The fourth proportional to 8,175.54, 11,281.91 and 4,638.95 is: 6,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.54 : 11,281.91 = 4,638.95 : x
  2. Step 2: Convert to fraction form
    8,175.54/11,281.91 = 4,638.95/x
  3. Step 3: Cross multiply
    8,175.54x = 11,281.91 × 4,638.95
  4. Step 4: Simplify right side
    8,175.54x = 52,336,136.79
  5. Step 5: Solve for x
    x = 52,336,136.79/8,175.54
  6. Step 6: Final answer
    x = 6,401.55

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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.