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Finding the Fourth Proportional to 6,612.84, 9,904.07 and 3,832.64

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Solution

The fourth proportional to 6,612.84, 9,904.07 and 3,832.64 is: 5,740.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.84 : 9,904.07 = 3,832.64 : x
  2. Step 2: Convert to fraction form
    6,612.84/9,904.07 = 3,832.64/x
  3. Step 3: Cross multiply
    6,612.84x = 9,904.07 × 3,832.64
  4. Step 4: Simplify right side
    6,612.84x = 37,958,666.16
  5. Step 5: Solve for x
    x = 37,958,666.16/6,612.84
  6. Step 6: Final answer
    x = 5,740.15

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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.