Home / 6,243.20-8,615.68-3,410.65

Finding the Fourth Proportional to 6,243.20, 8,615.68 and 3,410.65

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Solution

The fourth proportional to 6,243.20, 8,615.68 and 3,410.65 is: 4,706.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.20 : 8,615.68 = 3,410.65 : x
  2. Step 2: Convert to fraction form
    6,243.20/8,615.68 = 3,410.65/x
  3. Step 3: Cross multiply
    6,243.20x = 8,615.68 × 3,410.65
  4. Step 4: Simplify right side
    6,243.20x = 29,385,068.99
  5. Step 5: Solve for x
    x = 29,385,068.99/6,243.20
  6. Step 6: Final answer
    x = 4,706.73

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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.