Home / 5,558.32-8,333.40-2,633.20

Finding the Fourth Proportional to 5,558.32, 8,333.40 and 2,633.20

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Solution

The fourth proportional to 5,558.32, 8,333.40 and 2,633.20 is: 3,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.32 : 8,333.40 = 2,633.20 : x
  2. Step 2: Convert to fraction form
    5,558.32/8,333.40 = 2,633.20/x
  3. Step 3: Cross multiply
    5,558.32x = 8,333.40 × 2,633.20
  4. Step 4: Simplify right side
    5,558.32x = 21,943,508.88
  5. Step 5: Solve for x
    x = 21,943,508.88/5,558.32
  6. Step 6: Final answer
    x = 3,947.87

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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.