Home / 5,812.22-8,718.26-1,429.72

Finding the Fourth Proportional to 5,812.22, 8,718.26 and 1,429.72

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Solution

The fourth proportional to 5,812.22, 8,718.26 and 1,429.72 is: 2,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.22 : 8,718.26 = 1,429.72 : x
  2. Step 2: Convert to fraction form
    5,812.22/8,718.26 = 1,429.72/x
  3. Step 3: Cross multiply
    5,812.22x = 8,718.26 × 1,429.72
  4. Step 4: Simplify right side
    5,812.22x = 12,464,670.69
  5. Step 5: Solve for x
    x = 12,464,670.69/5,812.22
  6. Step 6: Final answer
    x = 2,144.56

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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.