Home / 9,141.93-13,714.11-3,297.78

Finding the Fourth Proportional to 9,141.93, 13,714.11 and 3,297.78

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Solution

The fourth proportional to 9,141.93, 13,714.11 and 3,297.78 is: 4,947.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.93 : 13,714.11 = 3,297.78 : x
  2. Step 2: Convert to fraction form
    9,141.93/13,714.11 = 3,297.78/x
  3. Step 3: Cross multiply
    9,141.93x = 13,714.11 × 3,297.78
  4. Step 4: Simplify right side
    9,141.93x = 45,226,117.68
  5. Step 5: Solve for x
    x = 45,226,117.68/9,141.93
  6. Step 6: Final answer
    x = 4,947.11

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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.