Home / 5,812.05-8,718.07-1,429.55

Finding the Fourth Proportional to 5,812.05, 8,718.07 and 1,429.55

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Solution

The fourth proportional to 5,812.05, 8,718.07 and 1,429.55 is: 2,144.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.05 : 8,718.07 = 1,429.55 : x
  2. Step 2: Convert to fraction form
    5,812.05/8,718.07 = 1,429.55/x
  3. Step 3: Cross multiply
    5,812.05x = 8,718.07 × 1,429.55
  4. Step 4: Simplify right side
    5,812.05x = 12,462,916.97
  5. Step 5: Solve for x
    x = 12,462,916.97/5,812.05
  6. Step 6: Final answer
    x = 2,144.32

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1.5x scale

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.