Home / 4,052.12-6,077.46-1,278.68

Finding the Fourth Proportional to 4,052.12, 6,077.46 and 1,278.68

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Solution

The fourth proportional to 4,052.12, 6,077.46 and 1,278.68 is: 1,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,052.12 : 6,077.46 = 1,278.68 : x
  2. Step 2: Convert to fraction form
    4,052.12/6,077.46 = 1,278.68/x
  3. Step 3: Cross multiply
    4,052.12x = 6,077.46 × 1,278.68
  4. Step 4: Simplify right side
    4,052.12x = 7,771,126.55
  5. Step 5: Solve for x
    x = 7,771,126.55/4,052.12
  6. Step 6: Final answer
    x = 1,917.79

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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.