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Finding the Fourth Proportional to 6,768, 10,155.06 and 3,071.16

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Solution

The fourth proportional to 6,768, 10,155.06 and 3,071.16 is: 4,608.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768 : 10,155.06 = 3,071.16 : x
  2. Step 2: Convert to fraction form
    6,768/10,155.06 = 3,071.16/x
  3. Step 3: Cross multiply
    6,768x = 10,155.06 × 3,071.16
  4. Step 4: Simplify right side
    6,768x = 31,187,814.07
  5. Step 5: Solve for x
    x = 31,187,814.07/6,768
  6. Step 6: Final answer
    x = 4,608.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.