Home / 5,355.69-8,036.38-2,195.47

Finding the Fourth Proportional to 5,355.69, 8,036.38 and 2,195.47

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Solution

The fourth proportional to 5,355.69, 8,036.38 and 2,195.47 is: 3,294.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.69 : 8,036.38 = 2,195.47 : x
  2. Step 2: Convert to fraction form
    5,355.69/8,036.38 = 2,195.47/x
  3. Step 3: Cross multiply
    5,355.69x = 8,036.38 × 2,195.47
  4. Step 4: Simplify right side
    5,355.69x = 17,643,643.99
  5. Step 5: Solve for x
    x = 17,643,643.99/5,355.69
  6. Step 6: Final answer
    x = 3,294.38

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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.