Home / 8,116.30-11,200.62-4,579.57

Finding the Fourth Proportional to 8,116.30, 11,200.62 and 4,579.57

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Solution

The fourth proportional to 8,116.30, 11,200.62 and 4,579.57 is: 6,319.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.30 : 11,200.62 = 4,579.57 : x
  2. Step 2: Convert to fraction form
    8,116.30/11,200.62 = 4,579.57/x
  3. Step 3: Cross multiply
    8,116.30x = 11,200.62 × 4,579.57
  4. Step 4: Simplify right side
    8,116.30x = 51,294,023.33
  5. Step 5: Solve for x
    x = 51,294,023.33/8,116.30
  6. Step 6: Final answer
    x = 6,319.88

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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.