Home / 8,087.40-12,133.34-3,469.16

Finding the Fourth Proportional to 8,087.40, 12,133.34 and 3,469.16

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Solution

The fourth proportional to 8,087.40, 12,133.34 and 3,469.16 is: 5,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.40 : 12,133.34 = 3,469.16 : x
  2. Step 2: Convert to fraction form
    8,087.40/12,133.34 = 3,469.16/x
  3. Step 3: Cross multiply
    8,087.40x = 12,133.34 × 3,469.16
  4. Step 4: Simplify right side
    8,087.40x = 42,092,497.79
  5. Step 5: Solve for x
    x = 42,092,497.79/8,087.40
  6. Step 6: Final answer
    x = 5,204.70

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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.