Home / 6,477.47-9,721.67-2,581.88

Finding the Fourth Proportional to 6,477.47, 9,721.67 and 2,581.88

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Solution

The fourth proportional to 6,477.47, 9,721.67 and 2,581.88 is: 3,874.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477.47 : 9,721.67 = 2,581.88 : x
  2. Step 2: Convert to fraction form
    6,477.47/9,721.67 = 2,581.88/x
  3. Step 3: Cross multiply
    6,477.47x = 9,721.67 × 2,581.88
  4. Step 4: Simplify right side
    6,477.47x = 25,100,138.34
  5. Step 5: Solve for x
    x = 25,100,138.34/6,477.47
  6. Step 6: Final answer
    x = 3,874.99

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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.