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Finding the Fourth Proportional to 6,403.05, 9,598.05 and 4,318.11

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Solution

The fourth proportional to 6,403.05, 9,598.05 and 4,318.11 is: 6,472.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.05 : 9,598.05 = 4,318.11 : x
  2. Step 2: Convert to fraction form
    6,403.05/9,598.05 = 4,318.11/x
  3. Step 3: Cross multiply
    6,403.05x = 9,598.05 × 4,318.11
  4. Step 4: Simplify right side
    6,403.05x = 41,445,435.69
  5. Step 5: Solve for x
    x = 41,445,435.69/6,403.05
  6. Step 6: Final answer
    x = 6,472.76

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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.