Home / 9,257.38-12,775.18-5,065.63

Finding the Fourth Proportional to 9,257.38, 12,775.18 and 5,065.63

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Solution

The fourth proportional to 9,257.38, 12,775.18 and 5,065.63 is: 6,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,257.38 : 12,775.18 = 5,065.63 : x
  2. Step 2: Convert to fraction form
    9,257.38/12,775.18 = 5,065.63/x
  3. Step 3: Cross multiply
    9,257.38x = 12,775.18 × 5,065.63
  4. Step 4: Simplify right side
    9,257.38x = 64,714,258.52
  5. Step 5: Solve for x
    x = 64,714,258.52/9,257.38
  6. Step 6: Final answer
    x = 6,990.56

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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.