Home / 4,052.16-6,078.92-1,279.53

Finding the Fourth Proportional to 4,052.16, 6,078.92 and 1,279.53

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Solution

The fourth proportional to 4,052.16, 6,078.92 and 1,279.53 is: 1,919.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,052.16 : 6,078.92 = 1,279.53 : x
  2. Step 2: Convert to fraction form
    4,052.16/6,078.92 = 1,279.53/x
  3. Step 3: Cross multiply
    4,052.16x = 6,078.92 × 1,279.53
  4. Step 4: Simplify right side
    4,052.16x = 7,778,154.11
  5. Step 5: Solve for x
    x = 7,778,154.11/4,052.16
  6. Step 6: Final answer
    x = 1,919.51

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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.