Home / 7,814.08-11,719.85-2,886.04

Finding the Fourth Proportional to 7,814.08, 11,719.85 and 2,886.04

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Solution

The fourth proportional to 7,814.08, 11,719.85 and 2,886.04 is: 4,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.08 : 11,719.85 = 2,886.04 : x
  2. Step 2: Convert to fraction form
    7,814.08/11,719.85 = 2,886.04/x
  3. Step 3: Cross multiply
    7,814.08x = 11,719.85 × 2,886.04
  4. Step 4: Simplify right side
    7,814.08x = 33,823,933.81
  5. Step 5: Solve for x
    x = 33,823,933.81/7,814.08
  6. Step 6: Final answer
    x = 4,328.59

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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.