Home / 7,570.26-11,357.28-2,639.94

Finding the Fourth Proportional to 7,570.26, 11,357.28 and 2,639.94

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Solution

The fourth proportional to 7,570.26, 11,357.28 and 2,639.94 is: 3,960.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.26 : 11,357.28 = 2,639.94 : x
  2. Step 2: Convert to fraction form
    7,570.26/11,357.28 = 2,639.94/x
  3. Step 3: Cross multiply
    7,570.26x = 11,357.28 × 2,639.94
  4. Step 4: Simplify right side
    7,570.26x = 29,982,537.76
  5. Step 5: Solve for x
    x = 29,982,537.76/7,570.26
  6. Step 6: Final answer
    x = 3,960.57

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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.