Home / 9,190.50-12,682.90-4,998.76

Finding the Fourth Proportional to 9,190.50, 12,682.90 and 4,998.76

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Solution

The fourth proportional to 9,190.50, 12,682.90 and 4,998.76 is: 6,898.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.50 : 12,682.90 = 4,998.76 : x
  2. Step 2: Convert to fraction form
    9,190.50/12,682.90 = 4,998.76/x
  3. Step 3: Cross multiply
    9,190.50x = 12,682.90 × 4,998.76
  4. Step 4: Simplify right side
    9,190.50x = 63,398,773.20
  5. Step 5: Solve for x
    x = 63,398,773.20/9,190.50
  6. Step 6: Final answer
    x = 6,898.29

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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.