Home / 5,454.56-8,181.63-1,558.95

Finding the Fourth Proportional to 5,454.56, 8,181.63 and 1,558.95

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Solution

The fourth proportional to 5,454.56, 8,181.63 and 1,558.95 is: 2,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.56 : 8,181.63 = 1,558.95 : x
  2. Step 2: Convert to fraction form
    5,454.56/8,181.63 = 1,558.95/x
  3. Step 3: Cross multiply
    5,454.56x = 8,181.63 × 1,558.95
  4. Step 4: Simplify right side
    5,454.56x = 12,754,752.09
  5. Step 5: Solve for x
    x = 12,754,752.09/5,454.56
  6. Step 6: Final answer
    x = 2,338.37

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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.