Home / 4,480.77-6,721.56-2,291.34

Finding the Fourth Proportional to 4,480.77, 6,721.56 and 2,291.34

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Solution

The fourth proportional to 4,480.77, 6,721.56 and 2,291.34 is: 3,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.77 : 6,721.56 = 2,291.34 : x
  2. Step 2: Convert to fraction form
    4,480.77/6,721.56 = 2,291.34/x
  3. Step 3: Cross multiply
    4,480.77x = 6,721.56 × 2,291.34
  4. Step 4: Simplify right side
    4,480.77x = 15,401,379.29
  5. Step 5: Solve for x
    x = 15,401,379.29/4,480.77
  6. Step 6: Final answer
    x = 3,437.22

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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.