Home / 8,073.88-12,112.98-2,880.04

Finding the Fourth Proportional to 8,073.88, 12,112.98 and 2,880.04

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Solution

The fourth proportional to 8,073.88, 12,112.98 and 2,880.04 is: 4,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.88 : 12,112.98 = 2,880.04 : x
  2. Step 2: Convert to fraction form
    8,073.88/12,112.98 = 2,880.04/x
  3. Step 3: Cross multiply
    8,073.88x = 12,112.98 × 2,880.04
  4. Step 4: Simplify right side
    8,073.88x = 34,885,866.92
  5. Step 5: Solve for x
    x = 34,885,866.92/8,073.88
  6. Step 6: Final answer
    x = 4,320.83

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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.