Home / 9,626.48-14,430-3,780.80

Finding the Fourth Proportional to 9,626.48, 14,430 and 3,780.80

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Solution

The fourth proportional to 9,626.48, 14,430 and 3,780.80 is: 5,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,626.48 : 14,430 = 3,780.80 : x
  2. Step 2: Convert to fraction form
    9,626.48/14,430 = 3,780.80/x
  3. Step 3: Cross multiply
    9,626.48x = 14,430 × 3,780.80
  4. Step 4: Simplify right side
    9,626.48x = 54,556,944
  5. Step 5: Solve for x
    x = 54,556,944/9,626.48
  6. Step 6: Final answer
    x = 5,667.38

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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.