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Finding the Fourth Proportional to 6,414.04, 9,629.52 and 6,340.24

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Solution

The fourth proportional to 6,414.04, 9,629.52 and 6,340.24 is: 9,518.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,414.04 : 9,629.52 = 6,340.24 : x
  2. Step 2: Convert to fraction form
    6,414.04/9,629.52 = 6,340.24/x
  3. Step 3: Cross multiply
    6,414.04x = 9,629.52 × 6,340.24
  4. Step 4: Simplify right side
    6,414.04x = 61,053,467.88
  5. Step 5: Solve for x
    x = 61,053,467.88/6,414.04
  6. Step 6: Final answer
    x = 9,518.72

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1.5x scale

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.