Home / 5,817.48-8,719.87-2,857.96

Finding the Fourth Proportional to 5,817.48, 8,719.87 and 2,857.96

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Solution

The fourth proportional to 5,817.48, 8,719.87 and 2,857.96 is: 4,283.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.48 : 8,719.87 = 2,857.96 : x
  2. Step 2: Convert to fraction form
    5,817.48/8,719.87 = 2,857.96/x
  3. Step 3: Cross multiply
    5,817.48x = 8,719.87 × 2,857.96
  4. Step 4: Simplify right side
    5,817.48x = 24,921,039.67
  5. Step 5: Solve for x
    x = 24,921,039.67/5,817.48
  6. Step 6: Final answer
    x = 4,283.82

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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.