Home / 9,258.23-12,777.41-5,279.92

Finding the Fourth Proportional to 9,258.23, 12,777.41 and 5,279.92

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Solution

The fourth proportional to 9,258.23, 12,777.41 and 5,279.92 is: 7,286.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258.23 : 12,777.41 = 5,279.92 : x
  2. Step 2: Convert to fraction form
    9,258.23/12,777.41 = 5,279.92/x
  3. Step 3: Cross multiply
    9,258.23x = 12,777.41 × 5,279.92
  4. Step 4: Simplify right side
    9,258.23x = 67,463,683.86
  5. Step 5: Solve for x
    x = 67,463,683.86/9,258.23
  6. Step 6: Final answer
    x = 7,286.89

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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.