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Finding the Fourth Proportional to 7,673.67, 10,589.81 and 4,317.30

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Solution

The fourth proportional to 7,673.67, 10,589.81 and 4,317.30 is: 5,957.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.67 : 10,589.81 = 4,317.30 : x
  2. Step 2: Convert to fraction form
    7,673.67/10,589.81 = 4,317.30/x
  3. Step 3: Cross multiply
    7,673.67x = 10,589.81 × 4,317.30
  4. Step 4: Simplify right side
    7,673.67x = 45,719,365.13
  5. Step 5: Solve for x
    x = 45,719,365.13/7,673.67
  6. Step 6: Final answer
    x = 5,957.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.