Home / 7,827.30-11,742.49-2,896.99

Finding the Fourth Proportional to 7,827.30, 11,742.49 and 2,896.99

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Solution

The fourth proportional to 7,827.30, 11,742.49 and 2,896.99 is: 4,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.30 : 11,742.49 = 2,896.99 : x
  2. Step 2: Convert to fraction form
    7,827.30/11,742.49 = 2,896.99/x
  3. Step 3: Cross multiply
    7,827.30x = 11,742.49 × 2,896.99
  4. Step 4: Simplify right side
    7,827.30x = 34,017,842.01
  5. Step 5: Solve for x
    x = 34,017,842.01/7,827.30
  6. Step 6: Final answer
    x = 4,346.05

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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.