Home / 8,528.16-12,791.12-2,684.80

Finding the Fourth Proportional to 8,528.16, 12,791.12 and 2,684.80

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Solution

The fourth proportional to 8,528.16, 12,791.12 and 2,684.80 is: 4,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.16 : 12,791.12 = 2,684.80 : x
  2. Step 2: Convert to fraction form
    8,528.16/12,791.12 = 2,684.80/x
  3. Step 3: Cross multiply
    8,528.16x = 12,791.12 × 2,684.80
  4. Step 4: Simplify right side
    8,528.16x = 34,341,598.98
  5. Step 5: Solve for x
    x = 34,341,598.98/8,528.16
  6. Step 6: Final answer
    x = 4,026.85

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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.