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Finding the Fourth Proportional to 7,329.87, 10,990.71 and 2,398.19

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Solution

The fourth proportional to 7,329.87, 10,990.71 and 2,398.19 is: 3,595.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.87 : 10,990.71 = 2,398.19 : x
  2. Step 2: Convert to fraction form
    7,329.87/10,990.71 = 2,398.19/x
  3. Step 3: Cross multiply
    7,329.87x = 10,990.71 × 2,398.19
  4. Step 4: Simplify right side
    7,329.87x = 26,357,755.86
  5. Step 5: Solve for x
    x = 26,357,755.86/7,329.87
  6. Step 6: Final answer
    x = 3,595.94

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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.