Home / 7,579.32-11,369.01-3,879.53

Finding the Fourth Proportional to 7,579.32, 11,369.01 and 3,879.53

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Solution

The fourth proportional to 7,579.32, 11,369.01 and 3,879.53 is: 5,819.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.32 : 11,369.01 = 3,879.53 : x
  2. Step 2: Convert to fraction form
    7,579.32/11,369.01 = 3,879.53/x
  3. Step 3: Cross multiply
    7,579.32x = 11,369.01 × 3,879.53
  4. Step 4: Simplify right side
    7,579.32x = 44,106,454.12
  5. Step 5: Solve for x
    x = 44,106,454.12/7,579.32
  6. Step 6: Final answer
    x = 5,819.31

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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.