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Finding the Fourth Proportional to 6,395.46, 9,579.30 and 3,101.63

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Solution

The fourth proportional to 6,395.46, 9,579.30 and 3,101.63 is: 4,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395.46 : 9,579.30 = 3,101.63 : x
  2. Step 2: Convert to fraction form
    6,395.46/9,579.30 = 3,101.63/x
  3. Step 3: Cross multiply
    6,395.46x = 9,579.30 × 3,101.63
  4. Step 4: Simplify right side
    6,395.46x = 29,711,384.73
  5. Step 5: Solve for x
    x = 29,711,384.73/6,395.46
  6. Step 6: Final answer
    x = 4,645.70

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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.