Home / 4,372.12-6,560.28-2,181.16

Finding the Fourth Proportional to 4,372.12, 6,560.28 and 2,181.16

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Solution

The fourth proportional to 4,372.12, 6,560.28 and 2,181.16 is: 3,272.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,372.12 : 6,560.28 = 2,181.16 : x
  2. Step 2: Convert to fraction form
    4,372.12/6,560.28 = 2,181.16/x
  3. Step 3: Cross multiply
    4,372.12x = 6,560.28 × 2,181.16
  4. Step 4: Simplify right side
    4,372.12x = 14,309,020.32
  5. Step 5: Solve for x
    x = 14,309,020.32/4,372.12
  6. Step 6: Final answer
    x = 3,272.79

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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.