Home / 7,218.82-10,828.94-3,001.20

Finding the Fourth Proportional to 7,218.82, 10,828.94 and 3,001.20

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Solution

The fourth proportional to 7,218.82, 10,828.94 and 3,001.20 is: 4,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.82 : 10,828.94 = 3,001.20 : x
  2. Step 2: Convert to fraction form
    7,218.82/10,828.94 = 3,001.20/x
  3. Step 3: Cross multiply
    7,218.82x = 10,828.94 × 3,001.20
  4. Step 4: Simplify right side
    7,218.82x = 32,499,807.23
  5. Step 5: Solve for x
    x = 32,499,807.23/7,218.82
  6. Step 6: Final answer
    x = 4,502.09

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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.