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Finding the Fourth Proportional to 4,322.76, 6,483.31 and 1,549.32

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Solution

The fourth proportional to 4,322.76, 6,483.31 and 1,549.32 is: 2,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322.76 : 6,483.31 = 1,549.32 : x
  2. Step 2: Convert to fraction form
    4,322.76/6,483.31 = 1,549.32/x
  3. Step 3: Cross multiply
    4,322.76x = 6,483.31 × 1,549.32
  4. Step 4: Simplify right side
    4,322.76x = 10,044,721.85
  5. Step 5: Solve for x
    x = 10,044,721.85/4,322.76
  6. Step 6: Final answer
    x = 2,323.68

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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.