Home / 8,435.29-12,652.95-2,591.86

Finding the Fourth Proportional to 8,435.29, 12,652.95 and 2,591.86

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Solution

The fourth proportional to 8,435.29, 12,652.95 and 2,591.86 is: 3,887.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.29 : 12,652.95 = 2,591.86 : x
  2. Step 2: Convert to fraction form
    8,435.29/12,652.95 = 2,591.86/x
  3. Step 3: Cross multiply
    8,435.29x = 12,652.95 × 2,591.86
  4. Step 4: Simplify right side
    8,435.29x = 32,794,674.99
  5. Step 5: Solve for x
    x = 32,794,674.99/8,435.29
  6. Step 6: Final answer
    x = 3,887.79

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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.