Home / 6,665.22-9,995.65-2,221.93

Finding the Fourth Proportional to 6,665.22, 9,995.65 and 2,221.93

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Solution

The fourth proportional to 6,665.22, 9,995.65 and 2,221.93 is: 3,332.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.22 : 9,995.65 = 2,221.93 : x
  2. Step 2: Convert to fraction form
    6,665.22/9,995.65 = 2,221.93/x
  3. Step 3: Cross multiply
    6,665.22x = 9,995.65 × 2,221.93
  4. Step 4: Simplify right side
    6,665.22x = 22,209,654.04
  5. Step 5: Solve for x
    x = 22,209,654.04/6,665.22
  6. Step 6: Final answer
    x = 3,332.17

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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.