Home / 6,345.90-8,757.18-3,694.77

Finding the Fourth Proportional to 6,345.90, 8,757.18 and 3,694.77

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Solution

The fourth proportional to 6,345.90, 8,757.18 and 3,694.77 is: 5,098.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.90 : 8,757.18 = 3,694.77 : x
  2. Step 2: Convert to fraction form
    6,345.90/8,757.18 = 3,694.77/x
  3. Step 3: Cross multiply
    6,345.90x = 8,757.18 × 3,694.77
  4. Step 4: Simplify right side
    6,345.90x = 32,355,765.95
  5. Step 5: Solve for x
    x = 32,355,765.95/6,345.90
  6. Step 6: Final answer
    x = 5,098.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.