Home / 9,239.46-12,748.98-5,260.65

Finding the Fourth Proportional to 9,239.46, 12,748.98 and 5,260.65

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Solution

The fourth proportional to 9,239.46, 12,748.98 and 5,260.65 is: 7,258.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.46 : 12,748.98 = 5,260.65 : x
  2. Step 2: Convert to fraction form
    9,239.46/12,748.98 = 5,260.65/x
  3. Step 3: Cross multiply
    9,239.46x = 12,748.98 × 5,260.65
  4. Step 4: Simplify right side
    9,239.46x = 67,067,921.64
  5. Step 5: Solve for x
    x = 67,067,921.64/9,239.46
  6. Step 6: Final answer
    x = 7,258.86

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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.