Home / 6,173.82-8,520.05-3,521.17

Finding the Fourth Proportional to 6,173.82, 8,520.05 and 3,521.17

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Solution

The fourth proportional to 6,173.82, 8,520.05 and 3,521.17 is: 4,859.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.82 : 8,520.05 = 3,521.17 : x
  2. Step 2: Convert to fraction form
    6,173.82/8,520.05 = 3,521.17/x
  3. Step 3: Cross multiply
    6,173.82x = 8,520.05 × 3,521.17
  4. Step 4: Simplify right side
    6,173.82x = 30,000,563.91
  5. Step 5: Solve for x
    x = 30,000,563.91/6,173.82
  6. Step 6: Final answer
    x = 4,859.32

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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.