Home / 8,519.20-11,756.64-4,742.44

Finding the Fourth Proportional to 8,519.20, 11,756.64 and 4,742.44

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Solution

The fourth proportional to 8,519.20, 11,756.64 and 4,742.44 is: 6,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.20 : 11,756.64 = 4,742.44 : x
  2. Step 2: Convert to fraction form
    8,519.20/11,756.64 = 4,742.44/x
  3. Step 3: Cross multiply
    8,519.20x = 11,756.64 × 4,742.44
  4. Step 4: Simplify right side
    8,519.20x = 55,755,159.80
  5. Step 5: Solve for x
    x = 55,755,159.80/8,519.20
  6. Step 6: Final answer
    x = 6,544.65

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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.