Home / 8,109.87-11,190.93-4,573.95

Finding the Fourth Proportional to 8,109.87, 11,190.93 and 4,573.95

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Solution

The fourth proportional to 8,109.87, 11,190.93 and 4,573.95 is: 6,311.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.87 : 11,190.93 = 4,573.95 : x
  2. Step 2: Convert to fraction form
    8,109.87/11,190.93 = 4,573.95/x
  3. Step 3: Cross multiply
    8,109.87x = 11,190.93 × 4,573.95
  4. Step 4: Simplify right side
    8,109.87x = 51,186,754.27
  5. Step 5: Solve for x
    x = 51,186,754.27/8,109.87
  6. Step 6: Final answer
    x = 6,311.66

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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.