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Finding the Fourth Proportional to 6,260.16, 8,631.16 and 4,018.08

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Solution

The fourth proportional to 6,260.16, 8,631.16 and 4,018.08 is: 5,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,260.16 : 8,631.16 = 4,018.08 : x
  2. Step 2: Convert to fraction form
    6,260.16/8,631.16 = 4,018.08/x
  3. Step 3: Cross multiply
    6,260.16x = 8,631.16 × 4,018.08
  4. Step 4: Simplify right side
    6,260.16x = 34,680,691.37
  5. Step 5: Solve for x
    x = 34,680,691.37/6,260.16
  6. Step 6: Final answer
    x = 5,539.90

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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.