Home / 8,499.61-11,729.31-4,722.63

Finding the Fourth Proportional to 8,499.61, 11,729.31 and 4,722.63

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Solution

The fourth proportional to 8,499.61, 11,729.31 and 4,722.63 is: 6,517.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.61 : 11,729.31 = 4,722.63 : x
  2. Step 2: Convert to fraction form
    8,499.61/11,729.31 = 4,722.63/x
  3. Step 3: Cross multiply
    8,499.61x = 11,729.31 × 4,722.63
  4. Step 4: Simplify right side
    8,499.61x = 55,393,162.58
  5. Step 5: Solve for x
    x = 55,393,162.58/8,499.61
  6. Step 6: Final answer
    x = 6,517.14

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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.