Home / 8,068.40-12,104.13-2,803.21

Finding the Fourth Proportional to 8,068.40, 12,104.13 and 2,803.21

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Solution

The fourth proportional to 8,068.40, 12,104.13 and 2,803.21 is: 4,205.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.40 : 12,104.13 = 2,803.21 : x
  2. Step 2: Convert to fraction form
    8,068.40/12,104.13 = 2,803.21/x
  3. Step 3: Cross multiply
    8,068.40x = 12,104.13 × 2,803.21
  4. Step 4: Simplify right side
    8,068.40x = 33,930,357.74
  5. Step 5: Solve for x
    x = 33,930,357.74/8,068.40
  6. Step 6: Final answer
    x = 4,205.34

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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.