Home / 8,133.75-12,200.40-2,587.43

Finding the Fourth Proportional to 8,133.75, 12,200.40 and 2,587.43

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Solution

The fourth proportional to 8,133.75, 12,200.40 and 2,587.43 is: 3,881.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.75 : 12,200.40 = 2,587.43 : x
  2. Step 2: Convert to fraction form
    8,133.75/12,200.40 = 2,587.43/x
  3. Step 3: Cross multiply
    8,133.75x = 12,200.40 × 2,587.43
  4. Step 4: Simplify right side
    8,133.75x = 31,567,680.97
  5. Step 5: Solve for x
    x = 31,567,680.97/8,133.75
  6. Step 6: Final answer
    x = 3,881.07

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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.