Home / 9,190.12-12,682.36-4,998.36

Finding the Fourth Proportional to 9,190.12, 12,682.36 and 4,998.36

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Solution

The fourth proportional to 9,190.12, 12,682.36 and 4,998.36 is: 6,897.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.12 : 12,682.36 = 4,998.36 : x
  2. Step 2: Convert to fraction form
    9,190.12/12,682.36 = 4,998.36/x
  3. Step 3: Cross multiply
    9,190.12x = 12,682.36 × 4,998.36
  4. Step 4: Simplify right side
    9,190.12x = 63,391,000.93
  5. Step 5: Solve for x
    x = 63,391,000.93/9,190.12
  6. Step 6: Final answer
    x = 6,897.73

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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.