Home / 4,213.13-6,314.57-2,980.90

Finding the Fourth Proportional to 4,213.13, 6,314.57 and 2,980.90

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Solution

The fourth proportional to 4,213.13, 6,314.57 and 2,980.90 is: 4,467.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.13 : 6,314.57 = 2,980.90 : x
  2. Step 2: Convert to fraction form
    4,213.13/6,314.57 = 2,980.90/x
  3. Step 3: Cross multiply
    4,213.13x = 6,314.57 × 2,980.90
  4. Step 4: Simplify right side
    4,213.13x = 18,823,093.38
  5. Step 5: Solve for x
    x = 18,823,093.38/4,213.13
  6. Step 6: Final answer
    x = 4,467.72

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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.