Home / 7,868.20-11,802.30-2,024.78

Finding the Fourth Proportional to 7,868.20, 11,802.30 and 2,024.78

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Solution

The fourth proportional to 7,868.20, 11,802.30 and 2,024.78 is: 3,037.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.20 : 11,802.30 = 2,024.78 : x
  2. Step 2: Convert to fraction form
    7,868.20/11,802.30 = 2,024.78/x
  3. Step 3: Cross multiply
    7,868.20x = 11,802.30 × 2,024.78
  4. Step 4: Simplify right side
    7,868.20x = 23,897,060.99
  5. Step 5: Solve for x
    x = 23,897,060.99/7,868.20
  6. Step 6: Final answer
    x = 3,037.17

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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.