Home / 6,420.63-9,631.56-2,524.13

Finding the Fourth Proportional to 6,420.63, 9,631.56 and 2,524.13

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Solution

The fourth proportional to 6,420.63, 9,631.56 and 2,524.13 is: 3,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420.63 : 9,631.56 = 2,524.13 : x
  2. Step 2: Convert to fraction form
    6,420.63/9,631.56 = 2,524.13/x
  3. Step 3: Cross multiply
    6,420.63x = 9,631.56 × 2,524.13
  4. Step 4: Simplify right side
    6,420.63x = 24,311,261.39
  5. Step 5: Solve for x
    x = 24,311,261.39/6,420.63
  6. Step 6: Final answer
    x = 3,786.43

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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.