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Finding the Fourth Proportional to 7,544.25, 11,329.16 and 4,916.25

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Solution

The fourth proportional to 7,544.25, 11,329.16 and 4,916.25 is: 7,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,544.25 : 11,329.16 = 4,916.25 : x
  2. Step 2: Convert to fraction form
    7,544.25/11,329.16 = 4,916.25/x
  3. Step 3: Cross multiply
    7,544.25x = 11,329.16 × 4,916.25
  4. Step 4: Simplify right side
    7,544.25x = 55,696,958.27
  5. Step 5: Solve for x
    x = 55,696,958.27/7,544.25
  6. Step 6: Final answer
    x = 7,382.70

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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.