Home / 7,321.02-10,983.26-2,390.65

Finding the Fourth Proportional to 7,321.02, 10,983.26 and 2,390.65

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Solution

The fourth proportional to 7,321.02, 10,983.26 and 2,390.65 is: 3,586.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.02 : 10,983.26 = 2,390.65 : x
  2. Step 2: Convert to fraction form
    7,321.02/10,983.26 = 2,390.65/x
  3. Step 3: Cross multiply
    7,321.02x = 10,983.26 × 2,390.65
  4. Step 4: Simplify right side
    7,321.02x = 26,257,109.04
  5. Step 5: Solve for x
    x = 26,257,109.04/7,321.02
  6. Step 6: Final answer
    x = 3,586.54

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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.