Home / 8,184.16-12,272.60-2,636.48

Finding the Fourth Proportional to 8,184.16, 12,272.60 and 2,636.48

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Solution

The fourth proportional to 8,184.16, 12,272.60 and 2,636.48 is: 3,953.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.16 : 12,272.60 = 2,636.48 : x
  2. Step 2: Convert to fraction form
    8,184.16/12,272.60 = 2,636.48/x
  3. Step 3: Cross multiply
    8,184.16x = 12,272.60 × 2,636.48
  4. Step 4: Simplify right side
    8,184.16x = 32,356,464.45
  5. Step 5: Solve for x
    x = 32,356,464.45/8,184.16
  6. Step 6: Final answer
    x = 3,953.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.