Home / 9,257.56-12,775.38-5,065.72

Finding the Fourth Proportional to 9,257.56, 12,775.38 and 5,065.72

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Solution

The fourth proportional to 9,257.56, 12,775.38 and 5,065.72 is: 6,990.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,257.56 : 12,775.38 = 5,065.72 : x
  2. Step 2: Convert to fraction form
    9,257.56/12,775.38 = 5,065.72/x
  3. Step 3: Cross multiply
    9,257.56x = 12,775.38 × 5,065.72
  4. Step 4: Simplify right side
    9,257.56x = 64,716,497.97
  5. Step 5: Solve for x
    x = 64,716,497.97/9,257.56
  6. Step 6: Final answer
    x = 6,990.66

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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.