Home / 5,234.08-7,851.06-1,338.47

Finding the Fourth Proportional to 5,234.08, 7,851.06 and 1,338.47

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Solution

The fourth proportional to 5,234.08, 7,851.06 and 1,338.47 is: 2,007.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.08 : 7,851.06 = 1,338.47 : x
  2. Step 2: Convert to fraction form
    5,234.08/7,851.06 = 1,338.47/x
  3. Step 3: Cross multiply
    5,234.08x = 7,851.06 × 1,338.47
  4. Step 4: Simplify right side
    5,234.08x = 10,508,408.28
  5. Step 5: Solve for x
    x = 10,508,408.28/5,234.08
  6. Step 6: Final answer
    x = 2,007.69

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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.