Home / 4,679.50-7,016.13-1,905.42

Finding the Fourth Proportional to 4,679.50, 7,016.13 and 1,905.42

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Solution

The fourth proportional to 4,679.50, 7,016.13 and 1,905.42 is: 2,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.50 : 7,016.13 = 1,905.42 : x
  2. Step 2: Convert to fraction form
    4,679.50/7,016.13 = 1,905.42/x
  3. Step 3: Cross multiply
    4,679.50x = 7,016.13 × 1,905.42
  4. Step 4: Simplify right side
    4,679.50x = 13,368,703.41
  5. Step 5: Solve for x
    x = 13,368,703.41/4,679.50
  6. Step 6: Final answer
    x = 2,856.87

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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.