Home / 5,247.58-7,876.23-2,652.34

Finding the Fourth Proportional to 5,247.58, 7,876.23 and 2,652.34

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Solution

The fourth proportional to 5,247.58, 7,876.23 and 2,652.34 is: 3,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.58 : 7,876.23 = 2,652.34 : x
  2. Step 2: Convert to fraction form
    5,247.58/7,876.23 = 2,652.34/x
  3. Step 3: Cross multiply
    5,247.58x = 7,876.23 × 2,652.34
  4. Step 4: Simplify right side
    5,247.58x = 20,890,439.88
  5. Step 5: Solve for x
    x = 20,890,439.88/5,247.58
  6. Step 6: Final answer
    x = 3,980.97

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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.