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Finding the Fourth Proportional to 6,018.81, 8,288.63 and 4,961.15

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Solution

The fourth proportional to 6,018.81, 8,288.63 and 4,961.15 is: 6,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,018.81 : 8,288.63 = 4,961.15 : x
  2. Step 2: Convert to fraction form
    6,018.81/8,288.63 = 4,961.15/x
  3. Step 3: Cross multiply
    6,018.81x = 8,288.63 × 4,961.15
  4. Step 4: Simplify right side
    6,018.81x = 41,121,091.20
  5. Step 5: Solve for x
    x = 41,121,091.20/6,018.81
  6. Step 6: Final answer
    x = 6,832.10

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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.