Home / 6,666.36-9,996.18-2,222.45

Finding the Fourth Proportional to 6,666.36, 9,996.18 and 2,222.45

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Solution

The fourth proportional to 6,666.36, 9,996.18 and 2,222.45 is: 3,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.36 : 9,996.18 = 2,222.45 : x
  2. Step 2: Convert to fraction form
    6,666.36/9,996.18 = 2,222.45/x
  3. Step 3: Cross multiply
    6,666.36x = 9,996.18 × 2,222.45
  4. Step 4: Simplify right side
    6,666.36x = 22,215,997.75
  5. Step 5: Solve for x
    x = 22,215,997.75/6,666.36
  6. Step 6: Final answer
    x = 3,332.55

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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.