Home / 5,110.77-7,052.61-2,872.74

Finding the Fourth Proportional to 5,110.77, 7,052.61 and 2,872.74

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Solution

The fourth proportional to 5,110.77, 7,052.61 and 2,872.74 is: 3,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.77 : 7,052.61 = 2,872.74 : x
  2. Step 2: Convert to fraction form
    5,110.77/7,052.61 = 2,872.74/x
  3. Step 3: Cross multiply
    5,110.77x = 7,052.61 × 2,872.74
  4. Step 4: Simplify right side
    5,110.77x = 20,260,314.85
  5. Step 5: Solve for x
    x = 20,260,314.85/5,110.77
  6. Step 6: Final answer
    x = 3,964.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.