Home / 4,077.69-6,116.40-1,304.55

Finding the Fourth Proportional to 4,077.69, 6,116.40 and 1,304.55

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Solution

The fourth proportional to 4,077.69, 6,116.40 and 1,304.55 is: 1,956.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.69 : 6,116.40 = 1,304.55 : x
  2. Step 2: Convert to fraction form
    4,077.69/6,116.40 = 1,304.55/x
  3. Step 3: Cross multiply
    4,077.69x = 6,116.40 × 1,304.55
  4. Step 4: Simplify right side
    4,077.69x = 7,979,149.62
  5. Step 5: Solve for x
    x = 7,979,149.62/4,077.69
  6. Step 6: Final answer
    x = 1,956.78

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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.