Home / 5,410.97-8,116.77-1,515.68

Finding the Fourth Proportional to 5,410.97, 8,116.77 and 1,515.68

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Solution

The fourth proportional to 5,410.97, 8,116.77 and 1,515.68 is: 2,273.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.97 : 8,116.77 = 1,515.68 : x
  2. Step 2: Convert to fraction form
    5,410.97/8,116.77 = 1,515.68/x
  3. Step 3: Cross multiply
    5,410.97x = 8,116.77 × 1,515.68
  4. Step 4: Simplify right side
    5,410.97x = 12,302,421.49
  5. Step 5: Solve for x
    x = 12,302,421.49/5,410.97
  6. Step 6: Final answer
    x = 2,273.61

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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.