Home / 4,765.10-7,142.31-2,134.76

Finding the Fourth Proportional to 4,765.10, 7,142.31 and 2,134.76

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Solution

The fourth proportional to 4,765.10, 7,142.31 and 2,134.76 is: 3,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.10 : 7,142.31 = 2,134.76 : x
  2. Step 2: Convert to fraction form
    4,765.10/7,142.31 = 2,134.76/x
  3. Step 3: Cross multiply
    4,765.10x = 7,142.31 × 2,134.76
  4. Step 4: Simplify right side
    4,765.10x = 15,247,081.98
  5. Step 5: Solve for x
    x = 15,247,081.98/4,765.10
  6. Step 6: Final answer
    x = 3,199.74

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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.