Home / 7,306.65-10,082.79-4,120.02

Finding the Fourth Proportional to 7,306.65, 10,082.79 and 4,120.02

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Solution

The fourth proportional to 7,306.65, 10,082.79 and 4,120.02 is: 5,685.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,306.65 : 10,082.79 = 4,120.02 : x
  2. Step 2: Convert to fraction form
    7,306.65/10,082.79 = 4,120.02/x
  3. Step 3: Cross multiply
    7,306.65x = 10,082.79 × 4,120.02
  4. Step 4: Simplify right side
    7,306.65x = 41,541,296.46
  5. Step 5: Solve for x
    x = 41,541,296.46/7,306.65
  6. Step 6: Final answer
    x = 5,685.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.