Home / 5,497.20-8,245.80-5,173.20

Finding the Fourth Proportional to 5,497.20, 8,245.80 and 5,173.20

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Solution

The fourth proportional to 5,497.20, 8,245.80 and 5,173.20 is: 7,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.20 : 8,245.80 = 5,173.20 : x
  2. Step 2: Convert to fraction form
    5,497.20/8,245.80 = 5,173.20/x
  3. Step 3: Cross multiply
    5,497.20x = 8,245.80 × 5,173.20
  4. Step 4: Simplify right side
    5,497.20x = 42,657,172.56
  5. Step 5: Solve for x
    x = 42,657,172.56/5,497.20
  6. Step 6: Final answer
    x = 7,759.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.