Home / 9,001.97-12,416.01-6,611.21

Finding the Fourth Proportional to 9,001.97, 12,416.01 and 6,611.21

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Solution

The fourth proportional to 9,001.97, 12,416.01 and 6,611.21 is: 9,118.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.97 : 12,416.01 = 6,611.21 : x
  2. Step 2: Convert to fraction form
    9,001.97/12,416.01 = 6,611.21/x
  3. Step 3: Cross multiply
    9,001.97x = 12,416.01 × 6,611.21
  4. Step 4: Simplify right side
    9,001.97x = 82,084,787.39
  5. Step 5: Solve for x
    x = 82,084,787.39/9,001.97
  6. Step 6: Final answer
    x = 9,118.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.