Home / 6,551.35-9,041.61-3,898.76

Finding the Fourth Proportional to 6,551.35, 9,041.61 and 3,898.76

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Solution

The fourth proportional to 6,551.35, 9,041.61 and 3,898.76 is: 5,380.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.35 : 9,041.61 = 3,898.76 : x
  2. Step 2: Convert to fraction form
    6,551.35/9,041.61 = 3,898.76/x
  3. Step 3: Cross multiply
    6,551.35x = 9,041.61 × 3,898.76
  4. Step 4: Simplify right side
    6,551.35x = 35,251,067.40
  5. Step 5: Solve for x
    x = 35,251,067.40/6,551.35
  6. Step 6: Final answer
    x = 5,380.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.