Home / 5,558.84-8,339.38-2,272.20

Finding the Fourth Proportional to 5,558.84, 8,339.38 and 2,272.20

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Solution

The fourth proportional to 5,558.84, 8,339.38 and 2,272.20 is: 3,408.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.84 : 8,339.38 = 2,272.20 : x
  2. Step 2: Convert to fraction form
    5,558.84/8,339.38 = 2,272.20/x
  3. Step 3: Cross multiply
    5,558.84x = 8,339.38 × 2,272.20
  4. Step 4: Simplify right side
    5,558.84x = 18,948,739.24
  5. Step 5: Solve for x
    x = 18,948,739.24/5,558.84
  6. Step 6: Final answer
    x = 3,408.76

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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.