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Finding the Fourth Proportional to 5,802.17, 8,007.02 and 3,149.62

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Solution

The fourth proportional to 5,802.17, 8,007.02 and 3,149.62 is: 4,346.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,802.17 : 8,007.02 = 3,149.62 : x
  2. Step 2: Convert to fraction form
    5,802.17/8,007.02 = 3,149.62/x
  3. Step 3: Cross multiply
    5,802.17x = 8,007.02 × 3,149.62
  4. Step 4: Simplify right side
    5,802.17x = 25,219,046.38
  5. Step 5: Solve for x
    x = 25,219,046.38/5,802.17
  6. Step 6: Final answer
    x = 4,346.49

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1.5x scale

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.