Home / 8,528.56-12,794.82-2,685.76

Finding the Fourth Proportional to 8,528.56, 12,794.82 and 2,685.76

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Solution

The fourth proportional to 8,528.56, 12,794.82 and 2,685.76 is: 4,029.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.56 : 12,794.82 = 2,685.76 : x
  2. Step 2: Convert to fraction form
    8,528.56/12,794.82 = 2,685.76/x
  3. Step 3: Cross multiply
    8,528.56x = 12,794.82 × 2,685.76
  4. Step 4: Simplify right side
    8,528.56x = 34,363,815.76
  5. Step 5: Solve for x
    x = 34,363,815.76/8,528.56
  6. Step 6: Final answer
    x = 4,029.26

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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.