Home / 4,258.23-6,385.19-1,947.75

Finding the Fourth Proportional to 4,258.23, 6,385.19 and 1,947.75

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Solution

The fourth proportional to 4,258.23, 6,385.19 and 1,947.75 is: 2,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.23 : 6,385.19 = 1,947.75 : x
  2. Step 2: Convert to fraction form
    4,258.23/6,385.19 = 1,947.75/x
  3. Step 3: Cross multiply
    4,258.23x = 6,385.19 × 1,947.75
  4. Step 4: Simplify right side
    4,258.23x = 12,436,744.08
  5. Step 5: Solve for x
    x = 12,436,744.08/4,258.23
  6. Step 6: Final answer
    x = 2,920.64

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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.