Home / 8,512.49-12,747.38-5,383.06

Finding the Fourth Proportional to 8,512.49, 12,747.38 and 5,383.06

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Solution

The fourth proportional to 8,512.49, 12,747.38 and 5,383.06 is: 8,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.49 : 12,747.38 = 5,383.06 : x
  2. Step 2: Convert to fraction form
    8,512.49/12,747.38 = 5,383.06/x
  3. Step 3: Cross multiply
    8,512.49x = 12,747.38 × 5,383.06
  4. Step 4: Simplify right side
    8,512.49x = 68,619,852.60
  5. Step 5: Solve for x
    x = 68,619,852.60/8,512.49
  6. Step 6: Final answer
    x = 8,061.08

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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.