Home / 6,455.91-9,691.16-2,563.05

Finding the Fourth Proportional to 6,455.91, 9,691.16 and 2,563.05

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Solution

The fourth proportional to 6,455.91, 9,691.16 and 2,563.05 is: 3,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.91 : 9,691.16 = 2,563.05 : x
  2. Step 2: Convert to fraction form
    6,455.91/9,691.16 = 2,563.05/x
  3. Step 3: Cross multiply
    6,455.91x = 9,691.16 × 2,563.05
  4. Step 4: Simplify right side
    6,455.91x = 24,838,927.64
  5. Step 5: Solve for x
    x = 24,838,927.64/6,455.91
  6. Step 6: Final answer
    x = 3,847.47

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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.