Home / 6,243.74-8,618.70-3,885.42

Finding the Fourth Proportional to 6,243.74, 8,618.70 and 3,885.42

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Solution

The fourth proportional to 6,243.74, 8,618.70 and 3,885.42 is: 5,363.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.74 : 8,618.70 = 3,885.42 : x
  2. Step 2: Convert to fraction form
    6,243.74/8,618.70 = 3,885.42/x
  3. Step 3: Cross multiply
    6,243.74x = 8,618.70 × 3,885.42
  4. Step 4: Simplify right side
    6,243.74x = 33,487,269.35
  5. Step 5: Solve for x
    x = 33,487,269.35/6,243.74
  6. Step 6: Final answer
    x = 5,363.34

Related Problems

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Half scale
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Double scale
Find fourth proportional to 6,244.74, 8,620.08 and 3,886.42
Similar ratio
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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.