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Finding the Fourth Proportional to 6,157.69, 8,497.85 and 3,363.19

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Solution

The fourth proportional to 6,157.69, 8,497.85 and 3,363.19 is: 4,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,157.69 : 8,497.85 = 3,363.19 : x
  2. Step 2: Convert to fraction form
    6,157.69/8,497.85 = 3,363.19/x
  3. Step 3: Cross multiply
    6,157.69x = 8,497.85 × 3,363.19
  4. Step 4: Simplify right side
    6,157.69x = 28,579,846.08
  5. Step 5: Solve for x
    x = 28,579,846.08/6,157.69
  6. Step 6: Final answer
    x = 4,641.33

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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.