Home / 6,376.21-9,562.79-2,678.51

Finding the Fourth Proportional to 6,376.21, 9,562.79 and 2,678.51

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Solution

The fourth proportional to 6,376.21, 9,562.79 and 2,678.51 is: 4,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.21 : 9,562.79 = 2,678.51 : x
  2. Step 2: Convert to fraction form
    6,376.21/9,562.79 = 2,678.51/x
  3. Step 3: Cross multiply
    6,376.21x = 9,562.79 × 2,678.51
  4. Step 4: Simplify right side
    6,376.21x = 25,614,023.39
  5. Step 5: Solve for x
    x = 25,614,023.39/6,376.21
  6. Step 6: Final answer
    x = 4,017.13

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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.