Home / 7,072.83-9,759.42-4,088.09

Finding the Fourth Proportional to 7,072.83, 9,759.42 and 4,088.09

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Solution

The fourth proportional to 7,072.83, 9,759.42 and 4,088.09 is: 5,640.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.83 : 9,759.42 = 4,088.09 : x
  2. Step 2: Convert to fraction form
    7,072.83/9,759.42 = 4,088.09/x
  3. Step 3: Cross multiply
    7,072.83x = 9,759.42 × 4,088.09
  4. Step 4: Simplify right side
    7,072.83x = 39,897,338.51
  5. Step 5: Solve for x
    x = 39,897,338.51/7,072.83
  6. Step 6: Final answer
    x = 5,640.93

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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.