Home / 7,621.65-11,435.31-3,242.52

Finding the Fourth Proportional to 7,621.65, 11,435.31 and 3,242.52

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Solution

The fourth proportional to 7,621.65, 11,435.31 and 3,242.52 is: 4,864.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.65 : 11,435.31 = 3,242.52 : x
  2. Step 2: Convert to fraction form
    7,621.65/11,435.31 = 3,242.52/x
  3. Step 3: Cross multiply
    7,621.65x = 11,435.31 × 3,242.52
  4. Step 4: Simplify right side
    7,621.65x = 37,079,221.38
  5. Step 5: Solve for x
    x = 37,079,221.38/7,621.65
  6. Step 6: Final answer
    x = 4,864.99

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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.