Home / 9,258.46-12,776.56-5,279.56

Finding the Fourth Proportional to 9,258.46, 12,776.56 and 5,279.56

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Solution

The fourth proportional to 9,258.46, 12,776.56 and 5,279.56 is: 7,285.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258.46 : 12,776.56 = 5,279.56 : x
  2. Step 2: Convert to fraction form
    9,258.46/12,776.56 = 5,279.56/x
  3. Step 3: Cross multiply
    9,258.46x = 12,776.56 × 5,279.56
  4. Step 4: Simplify right side
    9,258.46x = 67,454,615.11
  5. Step 5: Solve for x
    x = 67,454,615.11/9,258.46
  6. Step 6: Final answer
    x = 7,285.73

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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.