Home / 6,660.68-9,987.84-2,277.56

Finding the Fourth Proportional to 6,660.68, 9,987.84 and 2,277.56

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Solution

The fourth proportional to 6,660.68, 9,987.84 and 2,277.56 is: 3,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.68 : 9,987.84 = 2,277.56 : x
  2. Step 2: Convert to fraction form
    6,660.68/9,987.84 = 2,277.56/x
  3. Step 3: Cross multiply
    6,660.68x = 9,987.84 × 2,277.56
  4. Step 4: Simplify right side
    6,660.68x = 22,747,904.87
  5. Step 5: Solve for x
    x = 22,747,904.87/6,660.68
  6. Step 6: Final answer
    x = 3,415.25

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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.