Home / 7,315.38-10,091.93-5,082.62

Finding the Fourth Proportional to 7,315.38, 10,091.93 and 5,082.62

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Solution

The fourth proportional to 7,315.38, 10,091.93 and 5,082.62 is: 7,011.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.38 : 10,091.93 = 5,082.62 : x
  2. Step 2: Convert to fraction form
    7,315.38/10,091.93 = 5,082.62/x
  3. Step 3: Cross multiply
    7,315.38x = 10,091.93 × 5,082.62
  4. Step 4: Simplify right side
    7,315.38x = 51,293,369.38
  5. Step 5: Solve for x
    x = 51,293,369.38/7,315.38
  6. Step 6: Final answer
    x = 7,011.72

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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.