Home / 8,069.33-12,103.93-4,780.06

Finding the Fourth Proportional to 8,069.33, 12,103.93 and 4,780.06

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Solution

The fourth proportional to 8,069.33, 12,103.93 and 4,780.06 is: 7,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069.33 : 12,103.93 = 4,780.06 : x
  2. Step 2: Convert to fraction form
    8,069.33/12,103.93 = 4,780.06/x
  3. Step 3: Cross multiply
    8,069.33x = 12,103.93 × 4,780.06
  4. Step 4: Simplify right side
    8,069.33x = 57,857,487.35
  5. Step 5: Solve for x
    x = 57,857,487.35/8,069.33
  6. Step 6: Final answer
    x = 7,170.05

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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.