Home / 8,558.14-12,837.66-2,715.19

Finding the Fourth Proportional to 8,558.14, 12,837.66 and 2,715.19

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Solution

The fourth proportional to 8,558.14, 12,837.66 and 2,715.19 is: 4,072.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.14 : 12,837.66 = 2,715.19 : x
  2. Step 2: Convert to fraction form
    8,558.14/12,837.66 = 2,715.19/x
  3. Step 3: Cross multiply
    8,558.14x = 12,837.66 × 2,715.19
  4. Step 4: Simplify right side
    8,558.14x = 34,856,686.06
  5. Step 5: Solve for x
    x = 34,856,686.06/8,558.14
  6. Step 6: Final answer
    x = 4,072.93

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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.