Home / 4,891.20-7,340.00-2,428.13

Finding the Fourth Proportional to 4,891.20, 7,340.00 and 2,428.13

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Solution

The fourth proportional to 4,891.20, 7,340.00 and 2,428.13 is: 3,643.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.20 : 7,340.00 = 2,428.13 : x
  2. Step 2: Convert to fraction form
    4,891.20/7,340.00 = 2,428.13/x
  3. Step 3: Cross multiply
    4,891.20x = 7,340.00 × 2,428.13
  4. Step 4: Simplify right side
    4,891.20x = 17,822,425.36
  5. Step 5: Solve for x
    x = 17,822,425.36/4,891.20
  6. Step 6: Final answer
    x = 3,643.77

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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.