Home / 6,427.58-9,642.45-2,046.38

Finding the Fourth Proportional to 6,427.58, 9,642.45 and 2,046.38

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Solution

The fourth proportional to 6,427.58, 9,642.45 and 2,046.38 is: 3,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.58 : 9,642.45 = 2,046.38 : x
  2. Step 2: Convert to fraction form
    6,427.58/9,642.45 = 2,046.38/x
  3. Step 3: Cross multiply
    6,427.58x = 9,642.45 × 2,046.38
  4. Step 4: Simplify right side
    6,427.58x = 19,732,116.83
  5. Step 5: Solve for x
    x = 19,732,116.83/6,427.58
  6. Step 6: Final answer
    x = 3,069.91

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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.