Home / 8,652.48-12,977.32-3,105.68

Finding the Fourth Proportional to 8,652.48, 12,977.32 and 3,105.68

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Solution

The fourth proportional to 8,652.48, 12,977.32 and 3,105.68 is: 4,658.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.48 : 12,977.32 = 3,105.68 : x
  2. Step 2: Convert to fraction form
    8,652.48/12,977.32 = 3,105.68/x
  3. Step 3: Cross multiply
    8,652.48x = 12,977.32 × 3,105.68
  4. Step 4: Simplify right side
    8,652.48x = 40,303,403.18
  5. Step 5: Solve for x
    x = 40,303,403.18/8,652.48
  6. Step 6: Final answer
    x = 4,658.02

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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.