Home / 9,217.02-13,825.44-2,643.21

Finding the Fourth Proportional to 9,217.02, 13,825.44 and 2,643.21

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Solution

The fourth proportional to 9,217.02, 13,825.44 and 2,643.21 is: 3,964.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.02 : 13,825.44 = 2,643.21 : x
  2. Step 2: Convert to fraction form
    9,217.02/13,825.44 = 2,643.21/x
  3. Step 3: Cross multiply
    9,217.02x = 13,825.44 × 2,643.21
  4. Step 4: Simplify right side
    9,217.02x = 36,543,541.26
  5. Step 5: Solve for x
    x = 36,543,541.26/9,217.02
  6. Step 6: Final answer
    x = 3,964.79

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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.