Home / 8,042.80-12,065.82-2,852.32

Finding the Fourth Proportional to 8,042.80, 12,065.82 and 2,852.32

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Solution

The fourth proportional to 8,042.80, 12,065.82 and 2,852.32 is: 4,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.80 : 12,065.82 = 2,852.32 : x
  2. Step 2: Convert to fraction form
    8,042.80/12,065.82 = 2,852.32/x
  3. Step 3: Cross multiply
    8,042.80x = 12,065.82 × 2,852.32
  4. Step 4: Simplify right side
    8,042.80x = 34,415,579.70
  5. Step 5: Solve for x
    x = 34,415,579.70/8,042.80
  6. Step 6: Final answer
    x = 4,279.05

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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.