Home / 7,444.75-10,273.70-4,087.62

Finding the Fourth Proportional to 7,444.75, 10,273.70 and 4,087.62

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Solution

The fourth proportional to 7,444.75, 10,273.70 and 4,087.62 is: 5,640.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.75 : 10,273.70 = 4,087.62 : x
  2. Step 2: Convert to fraction form
    7,444.75/10,273.70 = 4,087.62/x
  3. Step 3: Cross multiply
    7,444.75x = 10,273.70 × 4,087.62
  4. Step 4: Simplify right side
    7,444.75x = 41,994,991.81
  5. Step 5: Solve for x
    x = 41,994,991.81/7,444.75
  6. Step 6: Final answer
    x = 5,640.89

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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.