Home / 8,084.57-12,127.46-2,161.33

Finding the Fourth Proportional to 8,084.57, 12,127.46 and 2,161.33

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Solution

The fourth proportional to 8,084.57, 12,127.46 and 2,161.33 is: 3,242.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.57 : 12,127.46 = 2,161.33 : x
  2. Step 2: Convert to fraction form
    8,084.57/12,127.46 = 2,161.33/x
  3. Step 3: Cross multiply
    8,084.57x = 12,127.46 × 2,161.33
  4. Step 4: Simplify right side
    8,084.57x = 26,211,430.32
  5. Step 5: Solve for x
    x = 26,211,430.32/8,084.57
  6. Step 6: Final answer
    x = 3,242.16

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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.