Home / 6,168.15-8,508.51-3,515.09

Finding the Fourth Proportional to 6,168.15, 8,508.51 and 3,515.09

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Solution

The fourth proportional to 6,168.15, 8,508.51 and 3,515.09 is: 4,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.15 : 8,508.51 = 3,515.09 : x
  2. Step 2: Convert to fraction form
    6,168.15/8,508.51 = 3,515.09/x
  3. Step 3: Cross multiply
    6,168.15x = 8,508.51 × 3,515.09
  4. Step 4: Simplify right side
    6,168.15x = 29,908,135.87
  5. Step 5: Solve for x
    x = 29,908,135.87/6,168.15
  6. Step 6: Final answer
    x = 4,848.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.