Home / 8,749.82-13,122.04-2,508.16

Finding the Fourth Proportional to 8,749.82, 13,122.04 and 2,508.16

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Solution

The fourth proportional to 8,749.82, 13,122.04 and 2,508.16 is: 3,761.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.82 : 13,122.04 = 2,508.16 : x
  2. Step 2: Convert to fraction form
    8,749.82/13,122.04 = 2,508.16/x
  3. Step 3: Cross multiply
    8,749.82x = 13,122.04 × 2,508.16
  4. Step 4: Simplify right side
    8,749.82x = 32,912,136.77
  5. Step 5: Solve for x
    x = 32,912,136.77/8,749.82
  6. Step 6: Final answer
    x = 3,761.46

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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.