Home / 8,919.44-13,379.15-2,679.50

Finding the Fourth Proportional to 8,919.44, 13,379.15 and 2,679.50

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Solution

The fourth proportional to 8,919.44, 13,379.15 and 2,679.50 is: 4,019.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.44 : 13,379.15 = 2,679.50 : x
  2. Step 2: Convert to fraction form
    8,919.44/13,379.15 = 2,679.50/x
  3. Step 3: Cross multiply
    8,919.44x = 13,379.15 × 2,679.50
  4. Step 4: Simplify right side
    8,919.44x = 35,849,352.13
  5. Step 5: Solve for x
    x = 35,849,352.13/8,919.44
  6. Step 6: Final answer
    x = 4,019.24

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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.