Home / 9,258.37-12,777.35-5,279.65

Finding the Fourth Proportional to 9,258.37, 12,777.35 and 5,279.65

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Solution

The fourth proportional to 9,258.37, 12,777.35 and 5,279.65 is: 7,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258.37 : 12,777.35 = 5,279.65 : x
  2. Step 2: Convert to fraction form
    9,258.37/12,777.35 = 5,279.65/x
  3. Step 3: Cross multiply
    9,258.37x = 12,777.35 × 5,279.65
  4. Step 4: Simplify right side
    9,258.37x = 67,459,877.59
  5. Step 5: Solve for x
    x = 67,459,877.59/9,258.37
  6. Step 6: Final answer
    x = 7,286.37

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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.