Home / 5,224.42-7,209.30-3,128.14

Finding the Fourth Proportional to 5,224.42, 7,209.30 and 3,128.14

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Solution

The fourth proportional to 5,224.42, 7,209.30 and 3,128.14 is: 4,316.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.42 : 7,209.30 = 3,128.14 : x
  2. Step 2: Convert to fraction form
    5,224.42/7,209.30 = 3,128.14/x
  3. Step 3: Cross multiply
    5,224.42x = 7,209.30 × 3,128.14
  4. Step 4: Simplify right side
    5,224.42x = 22,551,699.70
  5. Step 5: Solve for x
    x = 22,551,699.70/5,224.42
  6. Step 6: Final answer
    x = 4,316.59

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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.