Home / 7,620.89-11,431.33-5,023.22

Finding the Fourth Proportional to 7,620.89, 11,431.33 and 5,023.22

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Solution

The fourth proportional to 7,620.89, 11,431.33 and 5,023.22 is: 7,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.89 : 11,431.33 = 5,023.22 : x
  2. Step 2: Convert to fraction form
    7,620.89/11,431.33 = 5,023.22/x
  3. Step 3: Cross multiply
    7,620.89x = 11,431.33 × 5,023.22
  4. Step 4: Simplify right side
    7,620.89x = 57,422,015.77
  5. Step 5: Solve for x
    x = 57,422,015.77/7,620.89
  6. Step 6: Final answer
    x = 7,534.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.