Home / 7,708.20-10,637.34-4,171.41

Finding the Fourth Proportional to 7,708.20, 10,637.34 and 4,171.41

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Solution

The fourth proportional to 7,708.20, 10,637.34 and 4,171.41 is: 5,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.20 : 10,637.34 = 4,171.41 : x
  2. Step 2: Convert to fraction form
    7,708.20/10,637.34 = 4,171.41/x
  3. Step 3: Cross multiply
    7,708.20x = 10,637.34 × 4,171.41
  4. Step 4: Simplify right side
    7,708.20x = 44,372,706.45
  5. Step 5: Solve for x
    x = 44,372,706.45/7,708.20
  6. Step 6: Final answer
    x = 5,756.56

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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.