Home / 4,269.06-6,398.10-1,928.97

Finding the Fourth Proportional to 4,269.06, 6,398.10 and 1,928.97

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Solution

The fourth proportional to 4,269.06, 6,398.10 and 1,928.97 is: 2,890.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.06 : 6,398.10 = 1,928.97 : x
  2. Step 2: Convert to fraction form
    4,269.06/6,398.10 = 1,928.97/x
  3. Step 3: Cross multiply
    4,269.06x = 6,398.10 × 1,928.97
  4. Step 4: Simplify right side
    4,269.06x = 12,341,742.96
  5. Step 5: Solve for x
    x = 12,341,742.96/4,269.06
  6. Step 6: Final answer
    x = 2,890.97

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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.