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Finding the Fourth Proportional to 6,664.32, 9,995.58 and 3,892.32

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Solution

The fourth proportional to 6,664.32, 9,995.58 and 3,892.32 is: 5,837.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.32 : 9,995.58 = 3,892.32 : x
  2. Step 2: Convert to fraction form
    6,664.32/9,995.58 = 3,892.32/x
  3. Step 3: Cross multiply
    6,664.32x = 9,995.58 × 3,892.32
  4. Step 4: Simplify right side
    6,664.32x = 38,905,995.95
  5. Step 5: Solve for x
    x = 38,905,995.95/6,664.32
  6. Step 6: Final answer
    x = 5,837.95

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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.