Home / 8,059.50-12,089.40-2,512.80

Finding the Fourth Proportional to 8,059.50, 12,089.40 and 2,512.80

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Solution

The fourth proportional to 8,059.50, 12,089.40 and 2,512.80 is: 3,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059.50 : 12,089.40 = 2,512.80 : x
  2. Step 2: Convert to fraction form
    8,059.50/12,089.40 = 2,512.80/x
  3. Step 3: Cross multiply
    8,059.50x = 12,089.40 × 2,512.80
  4. Step 4: Simplify right side
    8,059.50x = 30,378,244.32
  5. Step 5: Solve for x
    x = 30,378,244.32/8,059.50
  6. Step 6: Final answer
    x = 3,769.25

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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.