Home / 7,258.20-10,872.90-4,327.80

Finding the Fourth Proportional to 7,258.20, 10,872.90 and 4,327.80

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Solution

The fourth proportional to 7,258.20, 10,872.90 and 4,327.80 is: 6,483.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.20 : 10,872.90 = 4,327.80 : x
  2. Step 2: Convert to fraction form
    7,258.20/10,872.90 = 4,327.80/x
  3. Step 3: Cross multiply
    7,258.20x = 10,872.90 × 4,327.80
  4. Step 4: Simplify right side
    7,258.20x = 47,055,736.62
  5. Step 5: Solve for x
    x = 47,055,736.62/7,258.20
  6. Step 6: Final answer
    x = 6,483.11

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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.