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Finding the Fourth Proportional to 7,289.26, 10,059.18 and 3,977.26

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Solution

The fourth proportional to 7,289.26, 10,059.18 and 3,977.26 is: 5,488.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.26 : 10,059.18 = 3,977.26 : x
  2. Step 2: Convert to fraction form
    7,289.26/10,059.18 = 3,977.26/x
  3. Step 3: Cross multiply
    7,289.26x = 10,059.18 × 3,977.26
  4. Step 4: Simplify right side
    7,289.26x = 40,007,974.25
  5. Step 5: Solve for x
    x = 40,007,974.25/7,289.26
  6. Step 6: Final answer
    x = 5,488.62

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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.