Home / 7,577.49-11,366.10-2,647.11

Finding the Fourth Proportional to 7,577.49, 11,366.10 and 2,647.11

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Solution

The fourth proportional to 7,577.49, 11,366.10 and 2,647.11 is: 3,970.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.49 : 11,366.10 = 2,647.11 : x
  2. Step 2: Convert to fraction form
    7,577.49/11,366.10 = 2,647.11/x
  3. Step 3: Cross multiply
    7,577.49x = 11,366.10 × 2,647.11
  4. Step 4: Simplify right side
    7,577.49x = 30,087,316.97
  5. Step 5: Solve for x
    x = 30,087,316.97/7,577.49
  6. Step 6: Final answer
    x = 3,970.62

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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.