Home / 8,440.65-12,659.85-2,201.13

Finding the Fourth Proportional to 8,440.65, 12,659.85 and 2,201.13

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Solution

The fourth proportional to 8,440.65, 12,659.85 and 2,201.13 is: 3,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.65 : 12,659.85 = 2,201.13 : x
  2. Step 2: Convert to fraction form
    8,440.65/12,659.85 = 2,201.13/x
  3. Step 3: Cross multiply
    8,440.65x = 12,659.85 × 2,201.13
  4. Step 4: Simplify right side
    8,440.65x = 27,865,975.63
  5. Step 5: Solve for x
    x = 27,865,975.63/8,440.65
  6. Step 6: Final answer
    x = 3,301.40

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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.