Home / 8,440.07-12,660.10-2,200.06

Finding the Fourth Proportional to 8,440.07, 12,660.10 and 2,200.06

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Solution

The fourth proportional to 8,440.07, 12,660.10 and 2,200.06 is: 3,300.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.07 : 12,660.10 = 2,200.06 : x
  2. Step 2: Convert to fraction form
    8,440.07/12,660.10 = 2,200.06/x
  3. Step 3: Cross multiply
    8,440.07x = 12,660.10 × 2,200.06
  4. Step 4: Simplify right side
    8,440.07x = 27,852,989.93
  5. Step 5: Solve for x
    x = 27,852,989.93/8,440.07
  6. Step 6: Final answer
    x = 3,300.09

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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.