Home / 4,447.10-6,670.65-1,979.30

Finding the Fourth Proportional to 4,447.10, 6,670.65 and 1,979.30

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Solution

The fourth proportional to 4,447.10, 6,670.65 and 1,979.30 is: 2,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.10 : 6,670.65 = 1,979.30 : x
  2. Step 2: Convert to fraction form
    4,447.10/6,670.65 = 1,979.30/x
  3. Step 3: Cross multiply
    4,447.10x = 6,670.65 × 1,979.30
  4. Step 4: Simplify right side
    4,447.10x = 13,203,217.55
  5. Step 5: Solve for x
    x = 13,203,217.55/4,447.10
  6. Step 6: Final answer
    x = 2,968.95

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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.