Home / 7,117.54-10,676.08-3,221.95

Finding the Fourth Proportional to 7,117.54, 10,676.08 and 3,221.95

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Solution

The fourth proportional to 7,117.54, 10,676.08 and 3,221.95 is: 4,832.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.54 : 10,676.08 = 3,221.95 : x
  2. Step 2: Convert to fraction form
    7,117.54/10,676.08 = 3,221.95/x
  3. Step 3: Cross multiply
    7,117.54x = 10,676.08 × 3,221.95
  4. Step 4: Simplify right side
    7,117.54x = 34,397,761.21
  5. Step 5: Solve for x
    x = 34,397,761.21/7,117.54
  6. Step 6: Final answer
    x = 4,832.82

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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.