Home / 8,499.58-11,729.26-4,722.70

Finding the Fourth Proportional to 8,499.58, 11,729.26 and 4,722.70

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Solution

The fourth proportional to 8,499.58, 11,729.26 and 4,722.70 is: 6,517.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.58 : 11,729.26 = 4,722.70 : x
  2. Step 2: Convert to fraction form
    8,499.58/11,729.26 = 4,722.70/x
  3. Step 3: Cross multiply
    8,499.58x = 11,729.26 × 4,722.70
  4. Step 4: Simplify right side
    8,499.58x = 55,393,776.20
  5. Step 5: Solve for x
    x = 55,393,776.20/8,499.58
  6. Step 6: Final answer
    x = 6,517.24

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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.