Home / 7,869.13-11,802.76-2,604.15

Finding the Fourth Proportional to 7,869.13, 11,802.76 and 2,604.15

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Solution

The fourth proportional to 7,869.13, 11,802.76 and 2,604.15 is: 3,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.13 : 11,802.76 = 2,604.15 : x
  2. Step 2: Convert to fraction form
    7,869.13/11,802.76 = 2,604.15/x
  3. Step 3: Cross multiply
    7,869.13x = 11,802.76 × 2,604.15
  4. Step 4: Simplify right side
    7,869.13x = 30,736,150.94
  5. Step 5: Solve for x
    x = 30,736,150.94/7,869.13
  6. Step 6: Final answer
    x = 3,905.92

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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.