Home / 5,012.82-7,520.85-1,725.84

Finding the Fourth Proportional to 5,012.82, 7,520.85 and 1,725.84

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Solution

The fourth proportional to 5,012.82, 7,520.85 and 1,725.84 is: 2,589.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.82 : 7,520.85 = 1,725.84 : x
  2. Step 2: Convert to fraction form
    5,012.82/7,520.85 = 1,725.84/x
  3. Step 3: Cross multiply
    5,012.82x = 7,520.85 × 1,725.84
  4. Step 4: Simplify right side
    5,012.82x = 12,979,783.76
  5. Step 5: Solve for x
    x = 12,979,783.76/5,012.82
  6. Step 6: Final answer
    x = 2,589.32

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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.