Home / 4,482.30-6,722.55-2,142.30

Finding the Fourth Proportional to 4,482.30, 6,722.55 and 2,142.30

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Solution

The fourth proportional to 4,482.30, 6,722.55 and 2,142.30 is: 3,213.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,482.30 : 6,722.55 = 2,142.30 : x
  2. Step 2: Convert to fraction form
    4,482.30/6,722.55 = 2,142.30/x
  3. Step 3: Cross multiply
    4,482.30x = 6,722.55 × 2,142.30
  4. Step 4: Simplify right side
    4,482.30x = 14,401,718.87
  5. Step 5: Solve for x
    x = 14,401,718.87/4,482.30
  6. Step 6: Final answer
    x = 3,213.02

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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.