Home / 7,463.16-11,191.05-2,781.18

Finding the Fourth Proportional to 7,463.16, 11,191.05 and 2,781.18

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Solution

The fourth proportional to 7,463.16, 11,191.05 and 2,781.18 is: 4,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,463.16 : 11,191.05 = 2,781.18 : x
  2. Step 2: Convert to fraction form
    7,463.16/11,191.05 = 2,781.18/x
  3. Step 3: Cross multiply
    7,463.16x = 11,191.05 × 2,781.18
  4. Step 4: Simplify right side
    7,463.16x = 31,124,324.44
  5. Step 5: Solve for x
    x = 31,124,324.44/7,463.16
  6. Step 6: Final answer
    x = 4,170.39

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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.