Home / 7,082.69-10,624.05-2,639.43

Finding the Fourth Proportional to 7,082.69, 10,624.05 and 2,639.43

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Solution

The fourth proportional to 7,082.69, 10,624.05 and 2,639.43 is: 3,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.69 : 10,624.05 = 2,639.43 : x
  2. Step 2: Convert to fraction form
    7,082.69/10,624.05 = 2,639.43/x
  3. Step 3: Cross multiply
    7,082.69x = 10,624.05 × 2,639.43
  4. Step 4: Simplify right side
    7,082.69x = 28,041,436.29
  5. Step 5: Solve for x
    x = 28,041,436.29/7,082.69
  6. Step 6: Final answer
    x = 3,959.15

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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.