Home / 7,218.65-10,828.79-3,001.46

Finding the Fourth Proportional to 7,218.65, 10,828.79 and 3,001.46

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Solution

The fourth proportional to 7,218.65, 10,828.79 and 3,001.46 is: 4,502.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.65 : 10,828.79 = 3,001.46 : x
  2. Step 2: Convert to fraction form
    7,218.65/10,828.79 = 3,001.46/x
  3. Step 3: Cross multiply
    7,218.65x = 10,828.79 × 3,001.46
  4. Step 4: Simplify right side
    7,218.65x = 32,502,122.14
  5. Step 5: Solve for x
    x = 32,502,122.14/7,218.65
  6. Step 6: Final answer
    x = 4,502.52

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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.