Home / 7,717.48-11,576.12-1,874.14

Finding the Fourth Proportional to 7,717.48, 11,576.12 and 1,874.14

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Solution

The fourth proportional to 7,717.48, 11,576.12 and 1,874.14 is: 2,811.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.48 : 11,576.12 = 1,874.14 : x
  2. Step 2: Convert to fraction form
    7,717.48/11,576.12 = 1,874.14/x
  3. Step 3: Cross multiply
    7,717.48x = 11,576.12 × 1,874.14
  4. Step 4: Simplify right side
    7,717.48x = 21,695,231.23
  5. Step 5: Solve for x
    x = 21,695,231.23/7,717.48
  6. Step 6: Final answer
    x = 2,811.18

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Double scale
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Similar ratio
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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.