Home / 7,392.24-11,131.44-5,457.96

Finding the Fourth Proportional to 7,392.24, 11,131.44 and 5,457.96

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Solution

The fourth proportional to 7,392.24, 11,131.44 and 5,457.96 is: 8,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.24 : 11,131.44 = 5,457.96 : x
  2. Step 2: Convert to fraction form
    7,392.24/11,131.44 = 5,457.96/x
  3. Step 3: Cross multiply
    7,392.24x = 11,131.44 × 5,457.96
  4. Step 4: Simplify right side
    7,392.24x = 60,754,954.26
  5. Step 5: Solve for x
    x = 60,754,954.26/7,392.24
  6. Step 6: Final answer
    x = 8,218.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.