Home / 7,488.43-11,225.14-3,779.44

Finding the Fourth Proportional to 7,488.43, 11,225.14 and 3,779.44

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Solution

The fourth proportional to 7,488.43, 11,225.14 and 3,779.44 is: 5,665.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.43 : 11,225.14 = 3,779.44 : x
  2. Step 2: Convert to fraction form
    7,488.43/11,225.14 = 3,779.44/x
  3. Step 3: Cross multiply
    7,488.43x = 11,225.14 × 3,779.44
  4. Step 4: Simplify right side
    7,488.43x = 42,424,743.12
  5. Step 5: Solve for x
    x = 42,424,743.12/7,488.43
  6. Step 6: Final answer
    x = 5,665.37

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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.