Home / 4,872.70-7,310.25-1,410.30

Finding the Fourth Proportional to 4,872.70, 7,310.25 and 1,410.30

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Solution

The fourth proportional to 4,872.70, 7,310.25 and 1,410.30 is: 2,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.70 : 7,310.25 = 1,410.30 : x
  2. Step 2: Convert to fraction form
    4,872.70/7,310.25 = 1,410.30/x
  3. Step 3: Cross multiply
    4,872.70x = 7,310.25 × 1,410.30
  4. Step 4: Simplify right side
    4,872.70x = 10,309,645.58
  5. Step 5: Solve for x
    x = 10,309,645.58/4,872.70
  6. Step 6: Final answer
    x = 2,115.80

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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.