Home / 7,512.07-11,257.34-4,218.24

Finding the Fourth Proportional to 7,512.07, 11,257.34 and 4,218.24

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Solution

The fourth proportional to 7,512.07, 11,257.34 and 4,218.24 is: 6,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.07 : 11,257.34 = 4,218.24 : x
  2. Step 2: Convert to fraction form
    7,512.07/11,257.34 = 4,218.24/x
  3. Step 3: Cross multiply
    7,512.07x = 11,257.34 × 4,218.24
  4. Step 4: Simplify right side
    7,512.07x = 47,486,172.43
  5. Step 5: Solve for x
    x = 47,486,172.43/7,512.07
  6. Step 6: Final answer
    x = 6,321.32

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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.