Home / 8,713.19-13,062.43-3,779.11

Finding the Fourth Proportional to 8,713.19, 13,062.43 and 3,779.11

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Solution

The fourth proportional to 8,713.19, 13,062.43 and 3,779.11 is: 5,665.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.19 : 13,062.43 = 3,779.11 : x
  2. Step 2: Convert to fraction form
    8,713.19/13,062.43 = 3,779.11/x
  3. Step 3: Cross multiply
    8,713.19x = 13,062.43 × 3,779.11
  4. Step 4: Simplify right side
    8,713.19x = 49,364,369.29
  5. Step 5: Solve for x
    x = 49,364,369.29/8,713.19
  6. Step 6: Final answer
    x = 5,665.48

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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.