Home / 5,253.56-7,251.30-3,101.99

Finding the Fourth Proportional to 5,253.56, 7,251.30 and 3,101.99

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Solution

The fourth proportional to 5,253.56, 7,251.30 and 3,101.99 is: 4,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.56 : 7,251.30 = 3,101.99 : x
  2. Step 2: Convert to fraction form
    5,253.56/7,251.30 = 3,101.99/x
  3. Step 3: Cross multiply
    5,253.56x = 7,251.30 × 3,101.99
  4. Step 4: Simplify right side
    5,253.56x = 22,493,423.83
  5. Step 5: Solve for x
    x = 22,493,423.83/5,253.56
  6. Step 6: Final answer
    x = 4,281.56

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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.