Home / 5,647.08-8,473.52-2,688.87

Finding the Fourth Proportional to 5,647.08, 8,473.52 and 2,688.87

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Solution

The fourth proportional to 5,647.08, 8,473.52 and 2,688.87 is: 4,034.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.08 : 8,473.52 = 2,688.87 : x
  2. Step 2: Convert to fraction form
    5,647.08/8,473.52 = 2,688.87/x
  3. Step 3: Cross multiply
    5,647.08x = 8,473.52 × 2,688.87
  4. Step 4: Simplify right side
    5,647.08x = 22,784,193.72
  5. Step 5: Solve for x
    x = 22,784,193.72/5,647.08
  6. Step 6: Final answer
    x = 4,034.69

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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.