Home / 8,630.42-11,909.16-5,092.88

Finding the Fourth Proportional to 8,630.42, 11,909.16 and 5,092.88

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Solution

The fourth proportional to 8,630.42, 11,909.16 and 5,092.88 is: 7,027.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.42 : 11,909.16 = 5,092.88 : x
  2. Step 2: Convert to fraction form
    8,630.42/11,909.16 = 5,092.88/x
  3. Step 3: Cross multiply
    8,630.42x = 11,909.16 × 5,092.88
  4. Step 4: Simplify right side
    8,630.42x = 60,651,863.24
  5. Step 5: Solve for x
    x = 60,651,863.24/8,630.42
  6. Step 6: Final answer
    x = 7,027.69

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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.