Home / 5,918.47-8,873.15-2,220.62

Finding the Fourth Proportional to 5,918.47, 8,873.15 and 2,220.62

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Solution

The fourth proportional to 5,918.47, 8,873.15 and 2,220.62 is: 3,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.47 : 8,873.15 = 2,220.62 : x
  2. Step 2: Convert to fraction form
    5,918.47/8,873.15 = 2,220.62/x
  3. Step 3: Cross multiply
    5,918.47x = 8,873.15 × 2,220.62
  4. Step 4: Simplify right side
    5,918.47x = 19,703,838.88
  5. Step 5: Solve for x
    x = 19,703,838.88/5,918.47
  6. Step 6: Final answer
    x = 3,329.21

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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.