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Finding the Fourth Proportional to 6,329.87, 9,495.89 and 1,947.23

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Solution

The fourth proportional to 6,329.87, 9,495.89 and 1,947.23 is: 2,921.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,329.87 : 9,495.89 = 1,947.23 : x
  2. Step 2: Convert to fraction form
    6,329.87/9,495.89 = 1,947.23/x
  3. Step 3: Cross multiply
    6,329.87x = 9,495.89 × 1,947.23
  4. Step 4: Simplify right side
    6,329.87x = 18,490,624.67
  5. Step 5: Solve for x
    x = 18,490,624.67/6,329.87
  6. Step 6: Final answer
    x = 2,921.17

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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.