Home / 7,097.73-9,792.70-4,112.99

Finding the Fourth Proportional to 7,097.73, 9,792.70 and 4,112.99

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Solution

The fourth proportional to 7,097.73, 9,792.70 and 4,112.99 is: 5,674.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,097.73 : 9,792.70 = 4,112.99 : x
  2. Step 2: Convert to fraction form
    7,097.73/9,792.70 = 4,112.99/x
  3. Step 3: Cross multiply
    7,097.73x = 9,792.70 × 4,112.99
  4. Step 4: Simplify right side
    7,097.73x = 40,277,207.64
  5. Step 5: Solve for x
    x = 40,277,207.64/7,097.73
  6. Step 6: Final answer
    x = 5,674.66

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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.