Home / 6,839.20-10,258.78-5,281.46

Finding the Fourth Proportional to 6,839.20, 10,258.78 and 5,281.46

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Solution

The fourth proportional to 6,839.20, 10,258.78 and 5,281.46 is: 7,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.20 : 10,258.78 = 5,281.46 : x
  2. Step 2: Convert to fraction form
    6,839.20/10,258.78 = 5,281.46/x
  3. Step 3: Cross multiply
    6,839.20x = 10,258.78 × 5,281.46
  4. Step 4: Simplify right side
    6,839.20x = 54,181,336.22
  5. Step 5: Solve for x
    x = 54,181,336.22/6,839.20
  6. Step 6: Final answer
    x = 7,922.17

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1.5x scale

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.