Home / 4,871.34-7,311.06-3,115.53

Finding the Fourth Proportional to 4,871.34, 7,311.06 and 3,115.53

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Solution

The fourth proportional to 4,871.34, 7,311.06 and 3,115.53 is: 4,675.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.34 : 7,311.06 = 3,115.53 : x
  2. Step 2: Convert to fraction form
    4,871.34/7,311.06 = 3,115.53/x
  3. Step 3: Cross multiply
    4,871.34x = 7,311.06 × 3,115.53
  4. Step 4: Simplify right side
    4,871.34x = 22,777,826.76
  5. Step 5: Solve for x
    x = 22,777,826.76/4,871.34
  6. Step 6: Final answer
    x = 4,675.89

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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.