Home / 6,069.20-9,099.69-2,780.49

Finding the Fourth Proportional to 6,069.20, 9,099.69 and 2,780.49

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Solution

The fourth proportional to 6,069.20, 9,099.69 and 2,780.49 is: 4,168.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,069.20 : 9,099.69 = 2,780.49 : x
  2. Step 2: Convert to fraction form
    6,069.20/9,099.69 = 2,780.49/x
  3. Step 3: Cross multiply
    6,069.20x = 9,099.69 × 2,780.49
  4. Step 4: Simplify right side
    6,069.20x = 25,301,597.05
  5. Step 5: Solve for x
    x = 25,301,597.05/6,069.20
  6. Step 6: Final answer
    x = 4,168.86

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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.