Home / 10,285.91-15,427.66-2,891.00

Finding the Fourth Proportional to 10,285.91, 15,427.66 and 2,891.00

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Solution

The fourth proportional to 10,285.91, 15,427.66 and 2,891.00 is: 4,336.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.91 : 15,427.66 = 2,891.00 : x
  2. Step 2: Convert to fraction form
    10,285.91/15,427.66 = 2,891.00/x
  3. Step 3: Cross multiply
    10,285.91x = 15,427.66 × 2,891.00
  4. Step 4: Simplify right side
    10,285.91x = 44,601,280.69
  5. Step 5: Solve for x
    x = 44,601,280.69/10,285.91
  6. Step 6: Final answer
    x = 4,336.15

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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.