Home / 5,147.12-7,706.28-2,676.56

Finding the Fourth Proportional to 5,147.12, 7,706.28 and 2,676.56

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Solution

The fourth proportional to 5,147.12, 7,706.28 and 2,676.56 is: 4,007.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.12 : 7,706.28 = 2,676.56 : x
  2. Step 2: Convert to fraction form
    5,147.12/7,706.28 = 2,676.56/x
  3. Step 3: Cross multiply
    5,147.12x = 7,706.28 × 2,676.56
  4. Step 4: Simplify right side
    5,147.12x = 20,626,320.80
  5. Step 5: Solve for x
    x = 20,626,320.80/5,147.12
  6. Step 6: Final answer
    x = 4,007.35

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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.