Home / 8,442.61-12,667.11-3,511.83

Finding the Fourth Proportional to 8,442.61, 12,667.11 and 3,511.83

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Solution

The fourth proportional to 8,442.61, 12,667.11 and 3,511.83 is: 5,269.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.61 : 12,667.11 = 3,511.83 : x
  2. Step 2: Convert to fraction form
    8,442.61/12,667.11 = 3,511.83/x
  3. Step 3: Cross multiply
    8,442.61x = 12,667.11 × 3,511.83
  4. Step 4: Simplify right side
    8,442.61x = 44,484,771.24
  5. Step 5: Solve for x
    x = 44,484,771.24/8,442.61
  6. Step 6: Final answer
    x = 5,269.08

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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.