Home / 10,388.94-15,583.26-4,839.18

Finding the Fourth Proportional to 10,388.94, 15,583.26 and 4,839.18

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Solution

The fourth proportional to 10,388.94, 15,583.26 and 4,839.18 is: 7,258.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.94 : 15,583.26 = 4,839.18 : x
  2. Step 2: Convert to fraction form
    10,388.94/15,583.26 = 4,839.18/x
  3. Step 3: Cross multiply
    10,388.94x = 15,583.26 × 4,839.18
  4. Step 4: Simplify right side
    10,388.94x = 75,410,200.13
  5. Step 5: Solve for x
    x = 75,410,200.13/10,388.94
  6. Step 6: Final answer
    x = 7,258.70

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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.