Home / 7,572.75-10,450.44-4,428.33

Finding the Fourth Proportional to 7,572.75, 10,450.44 and 4,428.33

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Solution

The fourth proportional to 7,572.75, 10,450.44 and 4,428.33 is: 6,111.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.75 : 10,450.44 = 4,428.33 : x
  2. Step 2: Convert to fraction form
    7,572.75/10,450.44 = 4,428.33/x
  3. Step 3: Cross multiply
    7,572.75x = 10,450.44 × 4,428.33
  4. Step 4: Simplify right side
    7,572.75x = 46,277,996.97
  5. Step 5: Solve for x
    x = 46,277,996.97/7,572.75
  6. Step 6: Final answer
    x = 6,111.12

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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.