Home / 7,179.11-10,769.24-1,984.98

Finding the Fourth Proportional to 7,179.11, 10,769.24 and 1,984.98

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Solution

The fourth proportional to 7,179.11, 10,769.24 and 1,984.98 is: 2,977.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.11 : 10,769.24 = 1,984.98 : x
  2. Step 2: Convert to fraction form
    7,179.11/10,769.24 = 1,984.98/x
  3. Step 3: Cross multiply
    7,179.11x = 10,769.24 × 1,984.98
  4. Step 4: Simplify right side
    7,179.11x = 21,376,730.98
  5. Step 5: Solve for x
    x = 21,376,730.98/7,179.11
  6. Step 6: Final answer
    x = 2,977.63

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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.