Home / 6,724.46-10,077.44-3,430.62

Finding the Fourth Proportional to 6,724.46, 10,077.44 and 3,430.62

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Solution

The fourth proportional to 6,724.46, 10,077.44 and 3,430.62 is: 5,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.46 : 10,077.44 = 3,430.62 : x
  2. Step 2: Convert to fraction form
    6,724.46/10,077.44 = 3,430.62/x
  3. Step 3: Cross multiply
    6,724.46x = 10,077.44 × 3,430.62
  4. Step 4: Simplify right side
    6,724.46x = 34,571,867.21
  5. Step 5: Solve for x
    x = 34,571,867.21/6,724.46
  6. Step 6: Final answer
    x = 5,141.21

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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.