Home / 7,891.17-11,833.98-2,624.76

Finding the Fourth Proportional to 7,891.17, 11,833.98 and 2,624.76

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Solution

The fourth proportional to 7,891.17, 11,833.98 and 2,624.76 is: 3,936.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891.17 : 11,833.98 = 2,624.76 : x
  2. Step 2: Convert to fraction form
    7,891.17/11,833.98 = 2,624.76/x
  3. Step 3: Cross multiply
    7,891.17x = 11,833.98 × 2,624.76
  4. Step 4: Simplify right side
    7,891.17x = 31,061,357.34
  5. Step 5: Solve for x
    x = 31,061,357.34/7,891.17
  6. Step 6: Final answer
    x = 3,936.22

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1.5x scale

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.