Home / 4,052.11-6,077.92-1,278.72

Finding the Fourth Proportional to 4,052.11, 6,077.92 and 1,278.72

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Solution

The fourth proportional to 4,052.11, 6,077.92 and 1,278.72 is: 1,918.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,052.11 : 6,077.92 = 1,278.72 : x
  2. Step 2: Convert to fraction form
    4,052.11/6,077.92 = 1,278.72/x
  3. Step 3: Cross multiply
    4,052.11x = 6,077.92 × 1,278.72
  4. Step 4: Simplify right side
    4,052.11x = 7,771,957.86
  5. Step 5: Solve for x
    x = 7,771,957.86/4,052.11
  6. Step 6: Final answer
    x = 1,918.00

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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.