Home / 6,115.31-8,440.64-3,464.29

Finding the Fourth Proportional to 6,115.31, 8,440.64 and 3,464.29

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Solution

The fourth proportional to 6,115.31, 8,440.64 and 3,464.29 is: 4,781.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.31 : 8,440.64 = 3,464.29 : x
  2. Step 2: Convert to fraction form
    6,115.31/8,440.64 = 3,464.29/x
  3. Step 3: Cross multiply
    6,115.31x = 8,440.64 × 3,464.29
  4. Step 4: Simplify right side
    6,115.31x = 29,240,824.75
  5. Step 5: Solve for x
    x = 29,240,824.75/6,115.31
  6. Step 6: Final answer
    x = 4,781.58

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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.