Home / 5,488.13-8,232.48-3,147.51

Finding the Fourth Proportional to 5,488.13, 8,232.48 and 3,147.51

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Solution

The fourth proportional to 5,488.13, 8,232.48 and 3,147.51 is: 4,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.13 : 8,232.48 = 3,147.51 : x
  2. Step 2: Convert to fraction form
    5,488.13/8,232.48 = 3,147.51/x
  3. Step 3: Cross multiply
    5,488.13x = 8,232.48 × 3,147.51
  4. Step 4: Simplify right side
    5,488.13x = 25,911,813.12
  5. Step 5: Solve for x
    x = 25,911,813.12/5,488.13
  6. Step 6: Final answer
    x = 4,721.43

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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.