Home / 5,558.20-8,333.16-1,858.24

Finding the Fourth Proportional to 5,558.20, 8,333.16 and 1,858.24

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Solution

The fourth proportional to 5,558.20, 8,333.16 and 1,858.24 is: 2,785.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.20 : 8,333.16 = 1,858.24 : x
  2. Step 2: Convert to fraction form
    5,558.20/8,333.16 = 1,858.24/x
  3. Step 3: Cross multiply
    5,558.20x = 8,333.16 × 1,858.24
  4. Step 4: Simplify right side
    5,558.20x = 15,485,011.24
  5. Step 5: Solve for x
    x = 15,485,011.24/5,558.20
  6. Step 6: Final answer
    x = 2,785.98

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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.