Home / 4,230.12-6,345.61-1,456.43

Finding the Fourth Proportional to 4,230.12, 6,345.61 and 1,456.43

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Solution

The fourth proportional to 4,230.12, 6,345.61 and 1,456.43 is: 2,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.12 : 6,345.61 = 1,456.43 : x
  2. Step 2: Convert to fraction form
    4,230.12/6,345.61 = 1,456.43/x
  3. Step 3: Cross multiply
    4,230.12x = 6,345.61 × 1,456.43
  4. Step 4: Simplify right side
    4,230.12x = 9,241,901.40
  5. Step 5: Solve for x
    x = 9,241,901.40/4,230.12
  6. Step 6: Final answer
    x = 2,184.78

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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.