Home / 8,518.44-11,752.74-4,791.72

Finding the Fourth Proportional to 8,518.44, 11,752.74 and 4,791.72

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Solution

The fourth proportional to 8,518.44, 11,752.74 and 4,791.72 is: 6,611.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.44 : 11,752.74 = 4,791.72 : x
  2. Step 2: Convert to fraction form
    8,518.44/11,752.74 = 4,791.72/x
  3. Step 3: Cross multiply
    8,518.44x = 11,752.74 × 4,791.72
  4. Step 4: Simplify right side
    8,518.44x = 56,315,839.31
  5. Step 5: Solve for x
    x = 56,315,839.31/8,518.44
  6. Step 6: Final answer
    x = 6,611.05

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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.