Home / 7,828.18-11,742.87-2,563.04

Finding the Fourth Proportional to 7,828.18, 11,742.87 and 2,563.04

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Solution

The fourth proportional to 7,828.18, 11,742.87 and 2,563.04 is: 3,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.18 : 11,742.87 = 2,563.04 : x
  2. Step 2: Convert to fraction form
    7,828.18/11,742.87 = 2,563.04/x
  3. Step 3: Cross multiply
    7,828.18x = 11,742.87 × 2,563.04
  4. Step 4: Simplify right side
    7,828.18x = 30,097,484.49
  5. Step 5: Solve for x
    x = 30,097,484.49/7,828.18
  6. Step 6: Final answer
    x = 3,844.76

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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.