Home / 8,917.08-13,358.58-5,408.16

Finding the Fourth Proportional to 8,917.08, 13,358.58 and 5,408.16

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Solution

The fourth proportional to 8,917.08, 13,358.58 and 5,408.16 is: 8,101.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.08 : 13,358.58 = 5,408.16 : x
  2. Step 2: Convert to fraction form
    8,917.08/13,358.58 = 5,408.16/x
  3. Step 3: Cross multiply
    8,917.08x = 13,358.58 × 5,408.16
  4. Step 4: Simplify right side
    8,917.08x = 72,245,338.01
  5. Step 5: Solve for x
    x = 72,245,338.01/8,917.08
  6. Step 6: Final answer
    x = 8,101.91

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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.