Home / 9,234.68-12,740.69-5,254.79

Finding the Fourth Proportional to 9,234.68, 12,740.69 and 5,254.79

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Solution

The fourth proportional to 9,234.68, 12,740.69 and 5,254.79 is: 7,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,234.68 : 12,740.69 = 5,254.79 : x
  2. Step 2: Convert to fraction form
    9,234.68/12,740.69 = 5,254.79/x
  3. Step 3: Cross multiply
    9,234.68x = 12,740.69 × 5,254.79
  4. Step 4: Simplify right side
    9,234.68x = 66,949,560.43
  5. Step 5: Solve for x
    x = 66,949,560.43/9,234.68
  6. Step 6: Final answer
    x = 7,249.80

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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.