Home / 7,387.65-11,083.56-3,228.03

Finding the Fourth Proportional to 7,387.65, 11,083.56 and 3,228.03

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Solution

The fourth proportional to 7,387.65, 11,083.56 and 3,228.03 is: 4,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.65 : 11,083.56 = 3,228.03 : x
  2. Step 2: Convert to fraction form
    7,387.65/11,083.56 = 3,228.03/x
  3. Step 3: Cross multiply
    7,387.65x = 11,083.56 × 3,228.03
  4. Step 4: Simplify right side
    7,387.65x = 35,778,064.19
  5. Step 5: Solve for x
    x = 35,778,064.19/7,387.65
  6. Step 6: Final answer
    x = 4,842.96

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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.