Home / 7,638.45-10,540.56-4,494.03

Finding the Fourth Proportional to 7,638.45, 10,540.56 and 4,494.03

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Solution

The fourth proportional to 7,638.45, 10,540.56 and 4,494.03 is: 6,201.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638.45 : 10,540.56 = 4,494.03 : x
  2. Step 2: Convert to fraction form
    7,638.45/10,540.56 = 4,494.03/x
  3. Step 3: Cross multiply
    7,638.45x = 10,540.56 × 4,494.03
  4. Step 4: Simplify right side
    7,638.45x = 47,369,592.86
  5. Step 5: Solve for x
    x = 47,369,592.86/7,638.45
  6. Step 6: Final answer
    x = 6,201.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.