Home / 4,230.31-6,345.88-1,456.61

Finding the Fourth Proportional to 4,230.31, 6,345.88 and 1,456.61

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Solution

The fourth proportional to 4,230.31, 6,345.88 and 1,456.61 is: 2,185.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.31 : 6,345.88 = 1,456.61 : x
  2. Step 2: Convert to fraction form
    4,230.31/6,345.88 = 1,456.61/x
  3. Step 3: Cross multiply
    4,230.31x = 6,345.88 × 1,456.61
  4. Step 4: Simplify right side
    4,230.31x = 9,243,472.27
  5. Step 5: Solve for x
    x = 9,243,472.27/4,230.31
  6. Step 6: Final answer
    x = 2,185.06

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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.