Home / 6,579.20-9,867.60-4,109.60

Finding the Fourth Proportional to 6,579.20, 9,867.60 and 4,109.60

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Solution

The fourth proportional to 6,579.20, 9,867.60 and 4,109.60 is: 6,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.20 : 9,867.60 = 4,109.60 : x
  2. Step 2: Convert to fraction form
    6,579.20/9,867.60 = 4,109.60/x
  3. Step 3: Cross multiply
    6,579.20x = 9,867.60 × 4,109.60
  4. Step 4: Simplify right side
    6,579.20x = 40,551,888.96
  5. Step 5: Solve for x
    x = 40,551,888.96/6,579.20
  6. Step 6: Final answer
    x = 6,163.65

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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.