Home / 4,123.25-6,188.40-1,659.84

Finding the Fourth Proportional to 4,123.25, 6,188.40 and 1,659.84

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Solution

The fourth proportional to 4,123.25, 6,188.40 and 1,659.84 is: 2,491.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.25 : 6,188.40 = 1,659.84 : x
  2. Step 2: Convert to fraction form
    4,123.25/6,188.40 = 1,659.84/x
  3. Step 3: Cross multiply
    4,123.25x = 6,188.40 × 1,659.84
  4. Step 4: Simplify right side
    4,123.25x = 10,271,765.46
  5. Step 5: Solve for x
    x = 10,271,765.46/4,123.25
  6. Step 6: Final answer
    x = 2,491.18

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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.