Home / 7,427.43-11,124.72-3,031.56

Finding the Fourth Proportional to 7,427.43, 11,124.72 and 3,031.56

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Solution

The fourth proportional to 7,427.43, 11,124.72 and 3,031.56 is: 4,540.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.43 : 11,124.72 = 3,031.56 : x
  2. Step 2: Convert to fraction form
    7,427.43/11,124.72 = 3,031.56/x
  3. Step 3: Cross multiply
    7,427.43x = 11,124.72 × 3,031.56
  4. Step 4: Simplify right side
    7,427.43x = 33,725,256.16
  5. Step 5: Solve for x
    x = 33,725,256.16/7,427.43
  6. Step 6: Final answer
    x = 4,540.64

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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.