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Finding the Fourth Proportional to 6,362.21, 9,472.05 and 6,331.43

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Solution

The fourth proportional to 6,362.21, 9,472.05 and 6,331.43 is: 9,426.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,362.21 : 9,472.05 = 6,331.43 : x
  2. Step 2: Convert to fraction form
    6,362.21/9,472.05 = 6,331.43/x
  3. Step 3: Cross multiply
    6,362.21x = 9,472.05 × 6,331.43
  4. Step 4: Simplify right side
    6,362.21x = 59,971,645.21
  5. Step 5: Solve for x
    x = 59,971,645.21/6,362.21
  6. Step 6: Final answer
    x = 9,426.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.