Home / 9,258.06-12,775.35-5,279.10

Finding the Fourth Proportional to 9,258.06, 12,775.35 and 5,279.10

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Solution

The fourth proportional to 9,258.06, 12,775.35 and 5,279.10 is: 7,284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258.06 : 12,775.35 = 5,279.10 : x
  2. Step 2: Convert to fraction form
    9,258.06/12,775.35 = 5,279.10/x
  3. Step 3: Cross multiply
    9,258.06x = 12,775.35 × 5,279.10
  4. Step 4: Simplify right side
    9,258.06x = 67,442,350.19
  5. Step 5: Solve for x
    x = 67,442,350.19/9,258.06
  6. Step 6: Final answer
    x = 7,284.72

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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.