Home / 4,549.12-6,816.38-3,820.12

Finding the Fourth Proportional to 4,549.12, 6,816.38 and 3,820.12

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Solution

The fourth proportional to 4,549.12, 6,816.38 and 3,820.12 is: 5,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,549.12 : 6,816.38 = 3,820.12 : x
  2. Step 2: Convert to fraction form
    4,549.12/6,816.38 = 3,820.12/x
  3. Step 3: Cross multiply
    4,549.12x = 6,816.38 × 3,820.12
  4. Step 4: Simplify right side
    4,549.12x = 26,039,353.42
  5. Step 5: Solve for x
    x = 26,039,353.42/4,549.12
  6. Step 6: Final answer
    x = 5,724.05

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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.