Home / 4,300.79-6,444.99-3,309.75

Finding the Fourth Proportional to 4,300.79, 6,444.99 and 3,309.75

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Solution

The fourth proportional to 4,300.79, 6,444.99 and 3,309.75 is: 4,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,300.79 : 6,444.99 = 3,309.75 : x
  2. Step 2: Convert to fraction form
    4,300.79/6,444.99 = 3,309.75/x
  3. Step 3: Cross multiply
    4,300.79x = 6,444.99 × 3,309.75
  4. Step 4: Simplify right side
    4,300.79x = 21,331,305.65
  5. Step 5: Solve for x
    x = 21,331,305.65/4,300.79
  6. Step 6: Final answer
    x = 4,959.86

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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.