Home / 7,013.86-10,518.98-2,082.38

Finding the Fourth Proportional to 7,013.86, 10,518.98 and 2,082.38

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Solution

The fourth proportional to 7,013.86, 10,518.98 and 2,082.38 is: 3,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.86 : 10,518.98 = 2,082.38 : x
  2. Step 2: Convert to fraction form
    7,013.86/10,518.98 = 2,082.38/x
  3. Step 3: Cross multiply
    7,013.86x = 10,518.98 × 2,082.38
  4. Step 4: Simplify right side
    7,013.86x = 21,904,513.57
  5. Step 5: Solve for x
    x = 21,904,513.57/7,013.86
  6. Step 6: Final answer
    x = 3,123.03

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1.5x scale

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.