Home / 8,060.76-12,089.75-2,137.70

Finding the Fourth Proportional to 8,060.76, 12,089.75 and 2,137.70

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Solution

The fourth proportional to 8,060.76, 12,089.75 and 2,137.70 is: 3,206.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,060.76 : 12,089.75 = 2,137.70 : x
  2. Step 2: Convert to fraction form
    8,060.76/12,089.75 = 2,137.70/x
  3. Step 3: Cross multiply
    8,060.76x = 12,089.75 × 2,137.70
  4. Step 4: Simplify right side
    8,060.76x = 25,844,187.44
  5. Step 5: Solve for x
    x = 25,844,187.44/8,060.76
  6. Step 6: Final answer
    x = 3,206.17

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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.