Home / 6,660.94-9,988.89-2,277.58

Finding the Fourth Proportional to 6,660.94, 9,988.89 and 2,277.58

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Solution

The fourth proportional to 6,660.94, 9,988.89 and 2,277.58 is: 3,415.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.94 : 9,988.89 = 2,277.58 : x
  2. Step 2: Convert to fraction form
    6,660.94/9,988.89 = 2,277.58/x
  3. Step 3: Cross multiply
    6,660.94x = 9,988.89 × 2,277.58
  4. Step 4: Simplify right side
    6,660.94x = 22,750,496.09
  5. Step 5: Solve for x
    x = 22,750,496.09/6,660.94
  6. Step 6: Final answer
    x = 3,415.51

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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.