Home / 6,724.40-10,086.60-3,436.40

Finding the Fourth Proportional to 6,724.40, 10,086.60 and 3,436.40

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Solution

The fourth proportional to 6,724.40, 10,086.60 and 3,436.40 is: 5,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.40 : 10,086.60 = 3,436.40 : x
  2. Step 2: Convert to fraction form
    6,724.40/10,086.60 = 3,436.40/x
  3. Step 3: Cross multiply
    6,724.40x = 10,086.60 × 3,436.40
  4. Step 4: Simplify right side
    6,724.40x = 34,661,592.24
  5. Step 5: Solve for x
    x = 34,661,592.24/6,724.40
  6. Step 6: Final answer
    x = 5,154.60

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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.