Home / 4,522.08-6,783.12-2,982.72

Finding the Fourth Proportional to 4,522.08, 6,783.12 and 2,982.72

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Solution

The fourth proportional to 4,522.08, 6,783.12 and 2,982.72 is: 4,474.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,522.08 : 6,783.12 = 2,982.72 : x
  2. Step 2: Convert to fraction form
    4,522.08/6,783.12 = 2,982.72/x
  3. Step 3: Cross multiply
    4,522.08x = 6,783.12 × 2,982.72
  4. Step 4: Simplify right side
    4,522.08x = 20,232,147.69
  5. Step 5: Solve for x
    x = 20,232,147.69/4,522.08
  6. Step 6: Final answer
    x = 4,474.08

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Double scale
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Similar ratio
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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.