Home / 5,309.10-7,956.36-3,114.90

Finding the Fourth Proportional to 5,309.10, 7,956.36 and 3,114.90

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Solution

The fourth proportional to 5,309.10, 7,956.36 and 3,114.90 is: 4,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.10 : 7,956.36 = 3,114.90 : x
  2. Step 2: Convert to fraction form
    5,309.10/7,956.36 = 3,114.90/x
  3. Step 3: Cross multiply
    5,309.10x = 7,956.36 × 3,114.90
  4. Step 4: Simplify right side
    5,309.10x = 24,783,265.76
  5. Step 5: Solve for x
    x = 24,783,265.76/5,309.10
  6. Step 6: Final answer
    x = 4,668.07

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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.