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Finding the Fourth Proportional to 6,318.44, 9,403.04 and 6,108.21

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Solution

The fourth proportional to 6,318.44, 9,403.04 and 6,108.21 is: 9,090.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.44 : 9,403.04 = 6,108.21 : x
  2. Step 2: Convert to fraction form
    6,318.44/9,403.04 = 6,108.21/x
  3. Step 3: Cross multiply
    6,318.44x = 9,403.04 × 6,108.21
  4. Step 4: Simplify right side
    6,318.44x = 57,435,712.42
  5. Step 5: Solve for x
    x = 57,435,712.42/6,318.44
  6. Step 6: Final answer
    x = 9,090.18

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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.