Home / 8,442.08-12,664.80-3,511.04

Finding the Fourth Proportional to 8,442.08, 12,664.80 and 3,511.04

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Solution

The fourth proportional to 8,442.08, 12,664.80 and 3,511.04 is: 5,267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.08 : 12,664.80 = 3,511.04 : x
  2. Step 2: Convert to fraction form
    8,442.08/12,664.80 = 3,511.04/x
  3. Step 3: Cross multiply
    8,442.08x = 12,664.80 × 3,511.04
  4. Step 4: Simplify right side
    8,442.08x = 44,466,619.39
  5. Step 5: Solve for x
    x = 44,466,619.39/8,442.08
  6. Step 6: Final answer
    x = 5,267.26

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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.