Home / 5,398.19-8,089.99-2,802.95

Finding the Fourth Proportional to 5,398.19, 8,089.99 and 2,802.95

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Solution

The fourth proportional to 5,398.19, 8,089.99 and 2,802.95 is: 4,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.19 : 8,089.99 = 2,802.95 : x
  2. Step 2: Convert to fraction form
    5,398.19/8,089.99 = 2,802.95/x
  3. Step 3: Cross multiply
    5,398.19x = 8,089.99 × 2,802.95
  4. Step 4: Simplify right side
    5,398.19x = 22,675,837.47
  5. Step 5: Solve for x
    x = 22,675,837.47/5,398.19
  6. Step 6: Final answer
    x = 4,200.64

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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.