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Finding the Fourth Proportional to 7,065, 9,751.44 and 4,080.39

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Solution

The fourth proportional to 7,065, 9,751.44 and 4,080.39 is: 5,631.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065 : 9,751.44 = 4,080.39 : x
  2. Step 2: Convert to fraction form
    7,065/9,751.44 = 4,080.39/x
  3. Step 3: Cross multiply
    7,065x = 9,751.44 × 4,080.39
  4. Step 4: Simplify right side
    7,065x = 39,789,678.26
  5. Step 5: Solve for x
    x = 39,789,678.26/7,065
  6. Step 6: Final answer
    x = 5,631.94

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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.