Home / 5,235.40-7,224.80-2,997.24

Finding the Fourth Proportional to 5,235.40, 7,224.80 and 2,997.24

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Solution

The fourth proportional to 5,235.40, 7,224.80 and 2,997.24 is: 4,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.40 : 7,224.80 = 2,997.24 : x
  2. Step 2: Convert to fraction form
    5,235.40/7,224.80 = 2,997.24/x
  3. Step 3: Cross multiply
    5,235.40x = 7,224.80 × 2,997.24
  4. Step 4: Simplify right side
    5,235.40x = 21,654,459.55
  5. Step 5: Solve for x
    x = 21,654,459.55/5,235.40
  6. Step 6: Final answer
    x = 4,136.16

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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.