Home / 7,194.87-10,789.57-2,811.76

Finding the Fourth Proportional to 7,194.87, 10,789.57 and 2,811.76

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Solution

The fourth proportional to 7,194.87, 10,789.57 and 2,811.76 is: 4,216.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194.87 : 10,789.57 = 2,811.76 : x
  2. Step 2: Convert to fraction form
    7,194.87/10,789.57 = 2,811.76/x
  3. Step 3: Cross multiply
    7,194.87x = 10,789.57 × 2,811.76
  4. Step 4: Simplify right side
    7,194.87x = 30,337,681.34
  5. Step 5: Solve for x
    x = 30,337,681.34/7,194.87
  6. Step 6: Final answer
    x = 4,216.57

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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.