Home / 5,153.10-7,110.87-3,028.71

Finding the Fourth Proportional to 5,153.10, 7,110.87 and 3,028.71

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Solution

The fourth proportional to 5,153.10, 7,110.87 and 3,028.71 is: 4,179.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.10 : 7,110.87 = 3,028.71 : x
  2. Step 2: Convert to fraction form
    5,153.10/7,110.87 = 3,028.71/x
  3. Step 3: Cross multiply
    5,153.10x = 7,110.87 × 3,028.71
  4. Step 4: Simplify right side
    5,153.10x = 21,536,718.39
  5. Step 5: Solve for x
    x = 21,536,718.39/5,153.10
  6. Step 6: Final answer
    x = 4,179.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.