Home / 5,482.02-8,224.18-1,972.20

Finding the Fourth Proportional to 5,482.02, 8,224.18 and 1,972.20

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Solution

The fourth proportional to 5,482.02, 8,224.18 and 1,972.20 is: 2,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.02 : 8,224.18 = 1,972.20 : x
  2. Step 2: Convert to fraction form
    5,482.02/8,224.18 = 1,972.20/x
  3. Step 3: Cross multiply
    5,482.02x = 8,224.18 × 1,972.20
  4. Step 4: Simplify right side
    5,482.02x = 16,219,727.80
  5. Step 5: Solve for x
    x = 16,219,727.80/5,482.02
  6. Step 6: Final answer
    x = 2,958.71

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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.