Home / 5,812.08-8,715.72-2,691.36

Finding the Fourth Proportional to 5,812.08, 8,715.72 and 2,691.36

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Solution

The fourth proportional to 5,812.08, 8,715.72 and 2,691.36 is: 4,035.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.08 : 8,715.72 = 2,691.36 : x
  2. Step 2: Convert to fraction form
    5,812.08/8,715.72 = 2,691.36/x
  3. Step 3: Cross multiply
    5,812.08x = 8,715.72 × 2,691.36
  4. Step 4: Simplify right side
    5,812.08x = 23,457,140.18
  5. Step 5: Solve for x
    x = 23,457,140.18/5,812.08
  6. Step 6: Final answer
    x = 4,035.93

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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.