Home / 5,119.72-7,032.25-5,021.32

Finding the Fourth Proportional to 5,119.72, 7,032.25 and 5,021.32

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Solution

The fourth proportional to 5,119.72, 7,032.25 and 5,021.32 is: 6,897.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.72 : 7,032.25 = 5,021.32 : x
  2. Step 2: Convert to fraction form
    5,119.72/7,032.25 = 5,021.32/x
  3. Step 3: Cross multiply
    5,119.72x = 7,032.25 × 5,021.32
  4. Step 4: Simplify right side
    5,119.72x = 35,311,177.57
  5. Step 5: Solve for x
    x = 35,311,177.57/5,119.72
  6. Step 6: Final answer
    x = 6,897.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.