Home / 5,410.46-8,115.71-1,514.90

Finding the Fourth Proportional to 5,410.46, 8,115.71 and 1,514.90

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Solution

The fourth proportional to 5,410.46, 8,115.71 and 1,514.90 is: 2,272.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.46 : 8,115.71 = 1,514.90 : x
  2. Step 2: Convert to fraction form
    5,410.46/8,115.71 = 1,514.90/x
  3. Step 3: Cross multiply
    5,410.46x = 8,115.71 × 1,514.90
  4. Step 4: Simplify right side
    5,410.46x = 12,294,489.08
  5. Step 5: Solve for x
    x = 12,294,489.08/5,410.46
  6. Step 6: Final answer
    x = 2,272.36

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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.