Home / 5,249.07-7,872.53-2,325.51

Finding the Fourth Proportional to 5,249.07, 7,872.53 and 2,325.51

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Solution

The fourth proportional to 5,249.07, 7,872.53 and 2,325.51 is: 3,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.07 : 7,872.53 = 2,325.51 : x
  2. Step 2: Convert to fraction form
    5,249.07/7,872.53 = 2,325.51/x
  3. Step 3: Cross multiply
    5,249.07x = 7,872.53 × 2,325.51
  4. Step 4: Simplify right side
    5,249.07x = 18,307,635.61
  5. Step 5: Solve for x
    x = 18,307,635.61/5,249.07
  6. Step 6: Final answer
    x = 3,487.79

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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.