Home / 5,298.18-7,947.30-2,177.70

Finding the Fourth Proportional to 5,298.18, 7,947.30 and 2,177.70

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Solution

The fourth proportional to 5,298.18, 7,947.30 and 2,177.70 is: 3,266.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.18 : 7,947.30 = 2,177.70 : x
  2. Step 2: Convert to fraction form
    5,298.18/7,947.30 = 2,177.70/x
  3. Step 3: Cross multiply
    5,298.18x = 7,947.30 × 2,177.70
  4. Step 4: Simplify right side
    5,298.18x = 17,306,835.21
  5. Step 5: Solve for x
    x = 17,306,835.21/5,298.18
  6. Step 6: Final answer
    x = 3,266.56

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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.