Home / 8,184.15-11,290.56-5,157.44

Finding the Fourth Proportional to 8,184.15, 11,290.56 and 5,157.44

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Solution

The fourth proportional to 8,184.15, 11,290.56 and 5,157.44 is: 7,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.15 : 11,290.56 = 5,157.44 : x
  2. Step 2: Convert to fraction form
    8,184.15/11,290.56 = 5,157.44/x
  3. Step 3: Cross multiply
    8,184.15x = 11,290.56 × 5,157.44
  4. Step 4: Simplify right side
    8,184.15x = 58,230,352.31
  5. Step 5: Solve for x
    x = 58,230,352.31/8,184.15
  6. Step 6: Final answer
    x = 7,115.02

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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.