Home / 7,191.57-10,788.30-2,511.66

Finding the Fourth Proportional to 7,191.57, 10,788.30 and 2,511.66

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Solution

The fourth proportional to 7,191.57, 10,788.30 and 2,511.66 is: 3,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.57 : 10,788.30 = 2,511.66 : x
  2. Step 2: Convert to fraction form
    7,191.57/10,788.30 = 2,511.66/x
  3. Step 3: Cross multiply
    7,191.57x = 10,788.30 × 2,511.66
  4. Step 4: Simplify right side
    7,191.57x = 27,096,541.58
  5. Step 5: Solve for x
    x = 27,096,541.58/7,191.57
  6. Step 6: Final answer
    x = 3,767.82

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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.