Home / 5,319.90-7,341.17-2,929.41

Finding the Fourth Proportional to 5,319.90, 7,341.17 and 2,929.41

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Solution

The fourth proportional to 5,319.90, 7,341.17 and 2,929.41 is: 4,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.90 : 7,341.17 = 2,929.41 : x
  2. Step 2: Convert to fraction form
    5,319.90/7,341.17 = 2,929.41/x
  3. Step 3: Cross multiply
    5,319.90x = 7,341.17 × 2,929.41
  4. Step 4: Simplify right side
    5,319.90x = 21,505,296.81
  5. Step 5: Solve for x
    x = 21,505,296.81/5,319.90
  6. Step 6: Final answer
    x = 4,042.43

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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.