Home / 5,520.02-8,266.86-3,172.84

Finding the Fourth Proportional to 5,520.02, 8,266.86 and 3,172.84

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Solution

The fourth proportional to 5,520.02, 8,266.86 and 3,172.84 is: 4,751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.02 : 8,266.86 = 3,172.84 : x
  2. Step 2: Convert to fraction form
    5,520.02/8,266.86 = 3,172.84/x
  3. Step 3: Cross multiply
    5,520.02x = 8,266.86 × 3,172.84
  4. Step 4: Simplify right side
    5,520.02x = 26,229,403.42
  5. Step 5: Solve for x
    x = 26,229,403.42/5,520.02
  6. Step 6: Final answer
    x = 4,751.69

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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.