Home / 7,521.18-11,285.82-3,141.66

Finding the Fourth Proportional to 7,521.18, 11,285.82 and 3,141.66

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Solution

The fourth proportional to 7,521.18, 11,285.82 and 3,141.66 is: 4,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.18 : 11,285.82 = 3,141.66 : x
  2. Step 2: Convert to fraction form
    7,521.18/11,285.82 = 3,141.66/x
  3. Step 3: Cross multiply
    7,521.18x = 11,285.82 × 3,141.66
  4. Step 4: Simplify right side
    7,521.18x = 35,456,209.26
  5. Step 5: Solve for x
    x = 35,456,209.26/7,521.18
  6. Step 6: Final answer
    x = 4,714.18

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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.