Home / 5,812.10-8,718.03-1,429.39

Finding the Fourth Proportional to 5,812.10, 8,718.03 and 1,429.39

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Solution

The fourth proportional to 5,812.10, 8,718.03 and 1,429.39 is: 2,144.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.10 : 8,718.03 = 1,429.39 : x
  2. Step 2: Convert to fraction form
    5,812.10/8,718.03 = 1,429.39/x
  3. Step 3: Cross multiply
    5,812.10x = 8,718.03 × 1,429.39
  4. Step 4: Simplify right side
    5,812.10x = 12,461,464.90
  5. Step 5: Solve for x
    x = 12,461,464.90/5,812.10
  6. Step 6: Final answer
    x = 2,144.06

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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.