Home / 6,919.20-9,579.60-6,573.60

Finding the Fourth Proportional to 6,919.20, 9,579.60 and 6,573.60

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Solution

The fourth proportional to 6,919.20, 9,579.60 and 6,573.60 is: 9,101.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.20 : 9,579.60 = 6,573.60 : x
  2. Step 2: Convert to fraction form
    6,919.20/9,579.60 = 6,573.60/x
  3. Step 3: Cross multiply
    6,919.20x = 9,579.60 × 6,573.60
  4. Step 4: Simplify right side
    6,919.20x = 62,972,458.56
  5. Step 5: Solve for x
    x = 62,972,458.56/6,919.20
  6. Step 6: Final answer
    x = 9,101.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.