Home / 7,427.70-11,136.51-3,532.50

Finding the Fourth Proportional to 7,427.70, 11,136.51 and 3,532.50

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Solution

The fourth proportional to 7,427.70, 11,136.51 and 3,532.50 is: 5,296.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.70 : 11,136.51 = 3,532.50 : x
  2. Step 2: Convert to fraction form
    7,427.70/11,136.51 = 3,532.50/x
  3. Step 3: Cross multiply
    7,427.70x = 11,136.51 × 3,532.50
  4. Step 4: Simplify right side
    7,427.70x = 39,339,721.58
  5. Step 5: Solve for x
    x = 39,339,721.58/7,427.70
  6. Step 6: Final answer
    x = 5,296.35

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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.