Home / 7,299.38-10,062.64-5,199.86

Finding the Fourth Proportional to 7,299.38, 10,062.64 and 5,199.86

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Solution

The fourth proportional to 7,299.38, 10,062.64 and 5,199.86 is: 7,168.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.38 : 10,062.64 = 5,199.86 : x
  2. Step 2: Convert to fraction form
    7,299.38/10,062.64 = 5,199.86/x
  3. Step 3: Cross multiply
    7,299.38x = 10,062.64 × 5,199.86
  4. Step 4: Simplify right side
    7,299.38x = 52,324,272.82
  5. Step 5: Solve for x
    x = 52,324,272.82/7,299.38
  6. Step 6: Final answer
    x = 7,168.32

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1.5x scale

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.