Home / 6,490.50-9,742.68-2,794.56

Finding the Fourth Proportional to 6,490.50, 9,742.68 and 2,794.56

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Solution

The fourth proportional to 6,490.50, 9,742.68 and 2,794.56 is: 4,194.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,490.50 : 9,742.68 = 2,794.56 : x
  2. Step 2: Convert to fraction form
    6,490.50/9,742.68 = 2,794.56/x
  3. Step 3: Cross multiply
    6,490.50x = 9,742.68 × 2,794.56
  4. Step 4: Simplify right side
    6,490.50x = 27,226,503.82
  5. Step 5: Solve for x
    x = 27,226,503.82/6,490.50
  6. Step 6: Final answer
    x = 4,194.82

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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.