Home / 5,200.02-7,174.26-3,211.02

Finding the Fourth Proportional to 5,200.02, 7,174.26 and 3,211.02

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Solution

The fourth proportional to 5,200.02, 7,174.26 and 3,211.02 is: 4,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.02 : 7,174.26 = 3,211.02 : x
  2. Step 2: Convert to fraction form
    5,200.02/7,174.26 = 3,211.02/x
  3. Step 3: Cross multiply
    5,200.02x = 7,174.26 × 3,211.02
  4. Step 4: Simplify right side
    5,200.02x = 23,036,692.35
  5. Step 5: Solve for x
    x = 23,036,692.35/5,200.02
  6. Step 6: Final answer
    x = 4,430.12

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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.