Home / 7,314.30-10,977.59-3,157.44

Finding the Fourth Proportional to 7,314.30, 10,977.59 and 3,157.44

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Solution

The fourth proportional to 7,314.30, 10,977.59 and 3,157.44 is: 4,738.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314.30 : 10,977.59 = 3,157.44 : x
  2. Step 2: Convert to fraction form
    7,314.30/10,977.59 = 3,157.44/x
  3. Step 3: Cross multiply
    7,314.30x = 10,977.59 × 3,157.44
  4. Step 4: Simplify right side
    7,314.30x = 34,661,093.43
  5. Step 5: Solve for x
    x = 34,661,093.43/7,314.30
  6. Step 6: Final answer
    x = 4,738.82

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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.