Home / 6,680.36-10,015.04-3,900.17

Finding the Fourth Proportional to 6,680.36, 10,015.04 and 3,900.17

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Solution

The fourth proportional to 6,680.36, 10,015.04 and 3,900.17 is: 5,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.36 : 10,015.04 = 3,900.17 : x
  2. Step 2: Convert to fraction form
    6,680.36/10,015.04 = 3,900.17/x
  3. Step 3: Cross multiply
    6,680.36x = 10,015.04 × 3,900.17
  4. Step 4: Simplify right side
    6,680.36x = 39,060,318.23
  5. Step 5: Solve for x
    x = 39,060,318.23/6,680.36
  6. Step 6: Final answer
    x = 5,847.04

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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.