Home / 8,749.14-13,121.76-2,509.13

Finding the Fourth Proportional to 8,749.14, 13,121.76 and 2,509.13

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Solution

The fourth proportional to 8,749.14, 13,121.76 and 2,509.13 is: 3,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.14 : 13,121.76 = 2,509.13 : x
  2. Step 2: Convert to fraction form
    8,749.14/13,121.76 = 2,509.13/x
  3. Step 3: Cross multiply
    8,749.14x = 13,121.76 × 2,509.13
  4. Step 4: Simplify right side
    8,749.14x = 32,924,136.06
  5. Step 5: Solve for x
    x = 32,924,136.06/8,749.14
  6. Step 6: Final answer
    x = 3,763.13

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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.