Home / 7,708.22-10,637.38-4,171.43

Finding the Fourth Proportional to 7,708.22, 10,637.38 and 4,171.43

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Solution

The fourth proportional to 7,708.22, 10,637.38 and 4,171.43 is: 5,756.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.22 : 10,637.38 = 4,171.43 : x
  2. Step 2: Convert to fraction form
    7,708.22/10,637.38 = 4,171.43/x
  3. Step 3: Cross multiply
    7,708.22x = 10,637.38 × 4,171.43
  4. Step 4: Simplify right side
    7,708.22x = 44,373,102.22
  5. Step 5: Solve for x
    x = 44,373,102.22/7,708.22
  6. Step 6: Final answer
    x = 5,756.59

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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.