Home / 6,429.16-9,643.62-2,046.56

Finding the Fourth Proportional to 6,429.16, 9,643.62 and 2,046.56

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Solution

The fourth proportional to 6,429.16, 9,643.62 and 2,046.56 is: 3,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.16 : 9,643.62 = 2,046.56 : x
  2. Step 2: Convert to fraction form
    6,429.16/9,643.62 = 2,046.56/x
  3. Step 3: Cross multiply
    6,429.16x = 9,643.62 × 2,046.56
  4. Step 4: Simplify right side
    6,429.16x = 19,736,246.95
  5. Step 5: Solve for x
    x = 19,736,246.95/6,429.16
  6. Step 6: Final answer
    x = 3,069.80

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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.