Home / 4,522.64-6,779.32-2,179.20

Finding the Fourth Proportional to 4,522.64, 6,779.32 and 2,179.20

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Solution

The fourth proportional to 4,522.64, 6,779.32 and 2,179.20 is: 3,266.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,522.64 : 6,779.32 = 2,179.20 : x
  2. Step 2: Convert to fraction form
    4,522.64/6,779.32 = 2,179.20/x
  3. Step 3: Cross multiply
    4,522.64x = 6,779.32 × 2,179.20
  4. Step 4: Simplify right side
    4,522.64x = 14,773,494.14
  5. Step 5: Solve for x
    x = 14,773,494.14/4,522.64
  6. Step 6: Final answer
    x = 3,266.56

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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.