Home / 6,104.20-8,424.48-4,215.19

Finding the Fourth Proportional to 6,104.20, 8,424.48 and 4,215.19

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Solution

The fourth proportional to 6,104.20, 8,424.48 and 4,215.19 is: 5,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,104.20 : 8,424.48 = 4,215.19 : x
  2. Step 2: Convert to fraction form
    6,104.20/8,424.48 = 4,215.19/x
  3. Step 3: Cross multiply
    6,104.20x = 8,424.48 × 4,215.19
  4. Step 4: Simplify right side
    6,104.20x = 35,510,783.85
  5. Step 5: Solve for x
    x = 35,510,783.85/6,104.20
  6. Step 6: Final answer
    x = 5,817.43

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Half scale
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Double scale
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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.