Home / 8,813.08-13,219.62-3,619.48

Finding the Fourth Proportional to 8,813.08, 13,219.62 and 3,619.48

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Solution

The fourth proportional to 8,813.08, 13,219.62 and 3,619.48 is: 5,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.08 : 13,219.62 = 3,619.48 : x
  2. Step 2: Convert to fraction form
    8,813.08/13,219.62 = 3,619.48/x
  3. Step 3: Cross multiply
    8,813.08x = 13,219.62 × 3,619.48
  4. Step 4: Simplify right side
    8,813.08x = 47,848,150.20
  5. Step 5: Solve for x
    x = 47,848,150.20/8,813.08
  6. Step 6: Final answer
    x = 5,429.22

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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.