Home / 8,215.17-12,325.59-4,512.66

Finding the Fourth Proportional to 8,215.17, 12,325.59 and 4,512.66

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Solution

The fourth proportional to 8,215.17, 12,325.59 and 4,512.66 is: 6,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.17 : 12,325.59 = 4,512.66 : x
  2. Step 2: Convert to fraction form
    8,215.17/12,325.59 = 4,512.66/x
  3. Step 3: Cross multiply
    8,215.17x = 12,325.59 × 4,512.66
  4. Step 4: Simplify right side
    8,215.17x = 55,621,196.97
  5. Step 5: Solve for x
    x = 55,621,196.97/8,215.17
  6. Step 6: Final answer
    x = 6,770.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.