Home / 5,558.56-8,338.02-1,663.18

Finding the Fourth Proportional to 5,558.56, 8,338.02 and 1,663.18

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Solution

The fourth proportional to 5,558.56, 8,338.02 and 1,663.18 is: 2,494.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.56 : 8,338.02 = 1,663.18 : x
  2. Step 2: Convert to fraction form
    5,558.56/8,338.02 = 1,663.18/x
  3. Step 3: Cross multiply
    5,558.56x = 8,338.02 × 1,663.18
  4. Step 4: Simplify right side
    5,558.56x = 13,867,628.10
  5. Step 5: Solve for x
    x = 13,867,628.10/5,558.56
  6. Step 6: Final answer
    x = 2,494.82

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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.