Home / 5,256.70-7,872.90-3,604.30

Finding the Fourth Proportional to 5,256.70, 7,872.90 and 3,604.30

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Solution

The fourth proportional to 5,256.70, 7,872.90 and 3,604.30 is: 5,398.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.70 : 7,872.90 = 3,604.30 : x
  2. Step 2: Convert to fraction form
    5,256.70/7,872.90 = 3,604.30/x
  3. Step 3: Cross multiply
    5,256.70x = 7,872.90 × 3,604.30
  4. Step 4: Simplify right side
    5,256.70x = 28,376,293.47
  5. Step 5: Solve for x
    x = 28,376,293.47/5,256.70
  6. Step 6: Final answer
    x = 5,398.12

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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.