Home / 8,045.03-12,069.15-2,780.23

Finding the Fourth Proportional to 8,045.03, 12,069.15 and 2,780.23

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Solution

The fourth proportional to 8,045.03, 12,069.15 and 2,780.23 is: 4,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.03 : 12,069.15 = 2,780.23 : x
  2. Step 2: Convert to fraction form
    8,045.03/12,069.15 = 2,780.23/x
  3. Step 3: Cross multiply
    8,045.03x = 12,069.15 × 2,780.23
  4. Step 4: Simplify right side
    8,045.03x = 33,554,982.73
  5. Step 5: Solve for x
    x = 33,554,982.73/8,045.03
  6. Step 6: Final answer
    x = 4,170.90

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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.