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Finding the Fourth Proportional to 6,015.65, 9,063.59 and 5,431.31

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Solution

The fourth proportional to 6,015.65, 9,063.59 and 5,431.31 is: 8,183.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,015.65 : 9,063.59 = 5,431.31 : x
  2. Step 2: Convert to fraction form
    6,015.65/9,063.59 = 5,431.31/x
  3. Step 3: Cross multiply
    6,015.65x = 9,063.59 × 5,431.31
  4. Step 4: Simplify right side
    6,015.65x = 49,227,167.00
  5. Step 5: Solve for x
    x = 49,227,167.00/6,015.65
  6. Step 6: Final answer
    x = 8,183.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.