Home / 6,990.12-10,469.39-3,695.04

Finding the Fourth Proportional to 6,990.12, 10,469.39 and 3,695.04

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Solution

The fourth proportional to 6,990.12, 10,469.39 and 3,695.04 is: 5,534.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.12 : 10,469.39 = 3,695.04 : x
  2. Step 2: Convert to fraction form
    6,990.12/10,469.39 = 3,695.04/x
  3. Step 3: Cross multiply
    6,990.12x = 10,469.39 × 3,695.04
  4. Step 4: Simplify right side
    6,990.12x = 38,684,796.35
  5. Step 5: Solve for x
    x = 38,684,796.35/6,990.12
  6. Step 6: Final answer
    x = 5,534.21

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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.