Home / 7,682.30-11,532.65-5,209.61

Finding the Fourth Proportional to 7,682.30, 11,532.65 and 5,209.61

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Solution

The fourth proportional to 7,682.30, 11,532.65 and 5,209.61 is: 7,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682.30 : 11,532.65 = 5,209.61 : x
  2. Step 2: Convert to fraction form
    7,682.30/11,532.65 = 5,209.61/x
  3. Step 3: Cross multiply
    7,682.30x = 11,532.65 × 5,209.61
  4. Step 4: Simplify right side
    7,682.30x = 60,080,611.55
  5. Step 5: Solve for x
    x = 60,080,611.55/7,682.30
  6. Step 6: Final answer
    x = 7,820.66

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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.