Home / 6,839.20-10,258.80-4,652.20

Finding the Fourth Proportional to 6,839.20, 10,258.80 and 4,652.20

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Solution

The fourth proportional to 6,839.20, 10,258.80 and 4,652.20 is: 6,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.20 : 10,258.80 = 4,652.20 : x
  2. Step 2: Convert to fraction form
    6,839.20/10,258.80 = 4,652.20/x
  3. Step 3: Cross multiply
    6,839.20x = 10,258.80 × 4,652.20
  4. Step 4: Simplify right side
    6,839.20x = 47,725,989.36
  5. Step 5: Solve for x
    x = 47,725,989.36/6,839.20
  6. Step 6: Final answer
    x = 6,978.30

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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.