Home / 4,279.44-6,411.60-1,966.08

Finding the Fourth Proportional to 4,279.44, 6,411.60 and 1,966.08

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Solution

The fourth proportional to 4,279.44, 6,411.60 and 1,966.08 is: 2,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.44 : 6,411.60 = 1,966.08 : x
  2. Step 2: Convert to fraction form
    4,279.44/6,411.60 = 1,966.08/x
  3. Step 3: Cross multiply
    4,279.44x = 6,411.60 × 1,966.08
  4. Step 4: Simplify right side
    4,279.44x = 12,605,718.53
  5. Step 5: Solve for x
    x = 12,605,718.53/4,279.44
  6. Step 6: Final answer
    x = 2,945.65

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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.