Home / 5,458-8,181.08-2,339.60

Finding the Fourth Proportional to 5,458, 8,181.08 and 2,339.60

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Solution

The fourth proportional to 5,458, 8,181.08 and 2,339.60 is: 3,506.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458 : 8,181.08 = 2,339.60 : x
  2. Step 2: Convert to fraction form
    5,458/8,181.08 = 2,339.60/x
  3. Step 3: Cross multiply
    5,458x = 8,181.08 × 2,339.60
  4. Step 4: Simplify right side
    5,458x = 19,140,454.77
  5. Step 5: Solve for x
    x = 19,140,454.77/5,458
  6. Step 6: Final answer
    x = 3,506.86

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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.