Home / 7,740.48-11,613.36-3,355.68

Finding the Fourth Proportional to 7,740.48, 11,613.36 and 3,355.68

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Solution

The fourth proportional to 7,740.48, 11,613.36 and 3,355.68 is: 5,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.48 : 11,613.36 = 3,355.68 : x
  2. Step 2: Convert to fraction form
    7,740.48/11,613.36 = 3,355.68/x
  3. Step 3: Cross multiply
    7,740.48x = 11,613.36 × 3,355.68
  4. Step 4: Simplify right side
    7,740.48x = 38,970,719.88
  5. Step 5: Solve for x
    x = 38,970,719.88/7,740.48
  6. Step 6: Final answer
    x = 5,034.66

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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.