Home / 6,166.80-8,508.78-3,513.78

Finding the Fourth Proportional to 6,166.80, 8,508.78 and 3,513.78

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Solution

The fourth proportional to 6,166.80, 8,508.78 and 3,513.78 is: 4,848.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,166.80 : 8,508.78 = 3,513.78 : x
  2. Step 2: Convert to fraction form
    6,166.80/8,508.78 = 3,513.78/x
  3. Step 3: Cross multiply
    6,166.80x = 8,508.78 × 3,513.78
  4. Step 4: Simplify right side
    6,166.80x = 29,897,980.99
  5. Step 5: Solve for x
    x = 29,897,980.99/6,166.80
  6. Step 6: Final answer
    x = 4,848.22

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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.