Home / 6,219.28-9,330.74-1,836.85

Finding the Fourth Proportional to 6,219.28, 9,330.74 and 1,836.85

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Solution

The fourth proportional to 6,219.28, 9,330.74 and 1,836.85 is: 2,755.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.28 : 9,330.74 = 1,836.85 : x
  2. Step 2: Convert to fraction form
    6,219.28/9,330.74 = 1,836.85/x
  3. Step 3: Cross multiply
    6,219.28x = 9,330.74 × 1,836.85
  4. Step 4: Simplify right side
    6,219.28x = 17,139,198.22
  5. Step 5: Solve for x
    x = 17,139,198.22/6,219.28
  6. Step 6: Final answer
    x = 2,755.82

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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.