Home / 8,115.06-11,200.86-4,973.88

Finding the Fourth Proportional to 8,115.06, 11,200.86 and 4,973.88

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Solution

The fourth proportional to 8,115.06, 11,200.86 and 4,973.88 is: 6,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.06 : 11,200.86 = 4,973.88 : x
  2. Step 2: Convert to fraction form
    8,115.06/11,200.86 = 4,973.88/x
  3. Step 3: Cross multiply
    8,115.06x = 11,200.86 × 4,973.88
  4. Step 4: Simplify right side
    8,115.06x = 55,711,733.54
  5. Step 5: Solve for x
    x = 55,711,733.54/8,115.06
  6. Step 6: Final answer
    x = 6,865.23

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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.