Home / 5,224.26-7,209.36-3,128.25

Finding the Fourth Proportional to 5,224.26, 7,209.36 and 3,128.25

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Solution

The fourth proportional to 5,224.26, 7,209.36 and 3,128.25 is: 4,316.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.26 : 7,209.36 = 3,128.25 : x
  2. Step 2: Convert to fraction form
    5,224.26/7,209.36 = 3,128.25/x
  3. Step 3: Cross multiply
    5,224.26x = 7,209.36 × 3,128.25
  4. Step 4: Simplify right side
    5,224.26x = 22,552,680.42
  5. Step 5: Solve for x
    x = 22,552,680.42/5,224.26
  6. Step 6: Final answer
    x = 4,316.91

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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.