Home / 7,310.96-10,079.25-6,314.12

Finding the Fourth Proportional to 7,310.96, 10,079.25 and 6,314.12

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Solution

The fourth proportional to 7,310.96, 10,079.25 and 6,314.12 is: 8,704.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.96 : 10,079.25 = 6,314.12 : x
  2. Step 2: Convert to fraction form
    7,310.96/10,079.25 = 6,314.12/x
  3. Step 3: Cross multiply
    7,310.96x = 10,079.25 × 6,314.12
  4. Step 4: Simplify right side
    7,310.96x = 63,641,594.01
  5. Step 5: Solve for x
    x = 63,641,594.01/7,310.96
  6. Step 6: Final answer
    x = 8,704.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.