Home / 9,258.37-12,777.23-5,279.58

Finding the Fourth Proportional to 9,258.37, 12,777.23 and 5,279.58

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Solution

The fourth proportional to 9,258.37, 12,777.23 and 5,279.58 is: 7,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258.37 : 12,777.23 = 5,279.58 : x
  2. Step 2: Convert to fraction form
    9,258.37/12,777.23 = 5,279.58/x
  3. Step 3: Cross multiply
    9,258.37x = 12,777.23 × 5,279.58
  4. Step 4: Simplify right side
    9,258.37x = 67,458,421.16
  5. Step 5: Solve for x
    x = 67,458,421.16/9,258.37
  6. Step 6: Final answer
    x = 7,286.21

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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.