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Finding the Fourth Proportional to 6,295.80, 9,443.14 and 2,135.71

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Solution

The fourth proportional to 6,295.80, 9,443.14 and 2,135.71 is: 3,203.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,295.80 : 9,443.14 = 2,135.71 : x
  2. Step 2: Convert to fraction form
    6,295.80/9,443.14 = 2,135.71/x
  3. Step 3: Cross multiply
    6,295.80x = 9,443.14 × 2,135.71
  4. Step 4: Simplify right side
    6,295.80x = 20,167,808.53
  5. Step 5: Solve for x
    x = 20,167,808.53/6,295.80
  6. Step 6: Final answer
    x = 3,203.38

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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.