Home / 10,285.97-15,429.56-2,891.01

Finding the Fourth Proportional to 10,285.97, 15,429.56 and 2,891.01

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Solution

The fourth proportional to 10,285.97, 15,429.56 and 2,891.01 is: 4,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.97 : 15,429.56 = 2,891.01 : x
  2. Step 2: Convert to fraction form
    10,285.97/15,429.56 = 2,891.01/x
  3. Step 3: Cross multiply
    10,285.97x = 15,429.56 × 2,891.01
  4. Step 4: Simplify right side
    10,285.97x = 44,606,973.68
  5. Step 5: Solve for x
    x = 44,606,973.68/10,285.97
  6. Step 6: Final answer
    x = 4,336.68

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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.