Home / 4,230.12-6,345.79-1,308.66

Finding the Fourth Proportional to 4,230.12, 6,345.79 and 1,308.66

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Solution

The fourth proportional to 4,230.12, 6,345.79 and 1,308.66 is: 1,963.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.12 : 6,345.79 = 1,308.66 : x
  2. Step 2: Convert to fraction form
    4,230.12/6,345.79 = 1,308.66/x
  3. Step 3: Cross multiply
    4,230.12x = 6,345.79 × 1,308.66
  4. Step 4: Simplify right side
    4,230.12x = 8,304,461.83
  5. Step 5: Solve for x
    x = 8,304,461.83/4,230.12
  6. Step 6: Final answer
    x = 1,963.17

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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.