Home / 9,219.75-12,724.34-5,241.47

Finding the Fourth Proportional to 9,219.75, 12,724.34 and 5,241.47

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Solution

The fourth proportional to 9,219.75, 12,724.34 and 5,241.47 is: 7,233.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.75 : 12,724.34 = 5,241.47 : x
  2. Step 2: Convert to fraction form
    9,219.75/12,724.34 = 5,241.47/x
  3. Step 3: Cross multiply
    9,219.75x = 12,724.34 × 5,241.47
  4. Step 4: Simplify right side
    9,219.75x = 66,694,156.55
  5. Step 5: Solve for x
    x = 66,694,156.55/9,219.75
  6. Step 6: Final answer
    x = 7,233.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.