Home / 5,329.74-7,355.13-2,971.62

Finding the Fourth Proportional to 5,329.74, 7,355.13 and 2,971.62

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Solution

The fourth proportional to 5,329.74, 7,355.13 and 2,971.62 is: 4,100.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.74 : 7,355.13 = 2,971.62 : x
  2. Step 2: Convert to fraction form
    5,329.74/7,355.13 = 2,971.62/x
  3. Step 3: Cross multiply
    5,329.74x = 7,355.13 × 2,971.62
  4. Step 4: Simplify right side
    5,329.74x = 21,856,651.41
  5. Step 5: Solve for x
    x = 21,856,651.41/5,329.74
  6. Step 6: Final answer
    x = 4,100.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.