Home / 5,000.20-6,900.28-2,731.57

Finding the Fourth Proportional to 5,000.20, 6,900.28 and 2,731.57

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Solution

The fourth proportional to 5,000.20, 6,900.28 and 2,731.57 is: 3,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.20 : 6,900.28 = 2,731.57 : x
  2. Step 2: Convert to fraction form
    5,000.20/6,900.28 = 2,731.57/x
  3. Step 3: Cross multiply
    5,000.20x = 6,900.28 × 2,731.57
  4. Step 4: Simplify right side
    5,000.20x = 18,848,610.55
  5. Step 5: Solve for x
    x = 18,848,610.55/5,000.20
  6. Step 6: Final answer
    x = 3,769.57

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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.