Home / 4,258.67-6,386.67-1,296.18

Finding the Fourth Proportional to 4,258.67, 6,386.67 and 1,296.18

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Solution

The fourth proportional to 4,258.67, 6,386.67 and 1,296.18 is: 1,943.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.67 : 6,386.67 = 1,296.18 : x
  2. Step 2: Convert to fraction form
    4,258.67/6,386.67 = 1,296.18/x
  3. Step 3: Cross multiply
    4,258.67x = 6,386.67 × 1,296.18
  4. Step 4: Simplify right side
    4,258.67x = 8,278,273.92
  5. Step 5: Solve for x
    x = 8,278,273.92/4,258.67
  6. Step 6: Final answer
    x = 1,943.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.