Home / 6,664.32-9,997.92-4,202.40

Finding the Fourth Proportional to 6,664.32, 9,997.92 and 4,202.40

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Solution

The fourth proportional to 6,664.32, 9,997.92 and 4,202.40 is: 6,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.32 : 9,997.92 = 4,202.40 : x
  2. Step 2: Convert to fraction form
    6,664.32/9,997.92 = 4,202.40/x
  3. Step 3: Cross multiply
    6,664.32x = 9,997.92 × 4,202.40
  4. Step 4: Simplify right side
    6,664.32x = 42,015,259.01
  5. Step 5: Solve for x
    x = 42,015,259.01/6,664.32
  6. Step 6: Final answer
    x = 6,304.51

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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.