Home / 10,305.79-15,456.94-2,908.52

Finding the Fourth Proportional to 10,305.79, 15,456.94 and 2,908.52

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Solution

The fourth proportional to 10,305.79, 15,456.94 and 2,908.52 is: 4,362.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.79 : 15,456.94 = 2,908.52 : x
  2. Step 2: Convert to fraction form
    10,305.79/15,456.94 = 2,908.52/x
  3. Step 3: Cross multiply
    10,305.79x = 15,456.94 × 2,908.52
  4. Step 4: Simplify right side
    10,305.79x = 44,956,730.94
  5. Step 5: Solve for x
    x = 44,956,730.94/10,305.79
  6. Step 6: Final answer
    x = 4,362.28

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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.