Home / 4,206.98-6,310.24-1,285.04

Finding the Fourth Proportional to 4,206.98, 6,310.24 and 1,285.04

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Solution

The fourth proportional to 4,206.98, 6,310.24 and 1,285.04 is: 1,927.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.98 : 6,310.24 = 1,285.04 : x
  2. Step 2: Convert to fraction form
    4,206.98/6,310.24 = 1,285.04/x
  3. Step 3: Cross multiply
    4,206.98x = 6,310.24 × 1,285.04
  4. Step 4: Simplify right side
    4,206.98x = 8,108,910.81
  5. Step 5: Solve for x
    x = 8,108,910.81/4,206.98
  6. Step 6: Final answer
    x = 1,927.49

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Half scale
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Double scale
Find fourth proportional to 4,207.98, 6,311.74 and 1,286.04
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.