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Finding the Fourth Proportional to 7,310.61, 10,967.22 and 2,380.32

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Solution

The fourth proportional to 7,310.61, 10,967.22 and 2,380.32 is: 3,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.61 : 10,967.22 = 2,380.32 : x
  2. Step 2: Convert to fraction form
    7,310.61/10,967.22 = 2,380.32/x
  3. Step 3: Cross multiply
    7,310.61x = 10,967.22 × 2,380.32
  4. Step 4: Simplify right side
    7,310.61x = 26,105,493.11
  5. Step 5: Solve for x
    x = 26,105,493.11/7,310.61
  6. Step 6: Final answer
    x = 3,570.90

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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.