Home / 6,100.80-8,419.08-3,306.28

Finding the Fourth Proportional to 6,100.80, 8,419.08 and 3,306.28

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Solution

The fourth proportional to 6,100.80, 8,419.08 and 3,306.28 is: 4,562.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,100.80 : 8,419.08 = 3,306.28 : x
  2. Step 2: Convert to fraction form
    6,100.80/8,419.08 = 3,306.28/x
  3. Step 3: Cross multiply
    6,100.80x = 8,419.08 × 3,306.28
  4. Step 4: Simplify right side
    6,100.80x = 27,835,835.82
  5. Step 5: Solve for x
    x = 27,835,835.82/6,100.80
  6. Step 6: Final answer
    x = 4,562.65

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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.