Home / 7,638.43-11,438.20-5,033.47

Finding the Fourth Proportional to 7,638.43, 11,438.20 and 5,033.47

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Solution

The fourth proportional to 7,638.43, 11,438.20 and 5,033.47 is: 7,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638.43 : 11,438.20 = 5,033.47 : x
  2. Step 2: Convert to fraction form
    7,638.43/11,438.20 = 5,033.47/x
  3. Step 3: Cross multiply
    7,638.43x = 11,438.20 × 5,033.47
  4. Step 4: Simplify right side
    7,638.43x = 57,573,836.55
  5. Step 5: Solve for x
    x = 57,573,836.55/7,638.43
  6. Step 6: Final answer
    x = 7,537.39

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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.