Home / 7,834.50-11,752.56-3,156.12

Finding the Fourth Proportional to 7,834.50, 11,752.56 and 3,156.12

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Solution

The fourth proportional to 7,834.50, 11,752.56 and 3,156.12 is: 4,734.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.50 : 11,752.56 = 3,156.12 : x
  2. Step 2: Convert to fraction form
    7,834.50/11,752.56 = 3,156.12/x
  3. Step 3: Cross multiply
    7,834.50x = 11,752.56 × 3,156.12
  4. Step 4: Simplify right side
    7,834.50x = 37,092,489.67
  5. Step 5: Solve for x
    x = 37,092,489.67/7,834.50
  6. Step 6: Final answer
    x = 4,734.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.