Home / 6,665.68-10,002.84-2,772.88

Finding the Fourth Proportional to 6,665.68, 10,002.84 and 2,772.88

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Solution

The fourth proportional to 6,665.68, 10,002.84 and 2,772.88 is: 4,161.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.68 : 10,002.84 = 2,772.88 : x
  2. Step 2: Convert to fraction form
    6,665.68/10,002.84 = 2,772.88/x
  3. Step 3: Cross multiply
    6,665.68x = 10,002.84 × 2,772.88
  4. Step 4: Simplify right side
    6,665.68x = 27,736,674.98
  5. Step 5: Solve for x
    x = 27,736,674.98/6,665.68
  6. Step 6: Final answer
    x = 4,161.12

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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.