Home / 7,708.46-10,637.62-4,171.64

Finding the Fourth Proportional to 7,708.46, 10,637.62 and 4,171.64

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Solution

The fourth proportional to 7,708.46, 10,637.62 and 4,171.64 is: 5,756.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.46 : 10,637.62 = 4,171.64 : x
  2. Step 2: Convert to fraction form
    7,708.46/10,637.62 = 4,171.64/x
  3. Step 3: Cross multiply
    7,708.46x = 10,637.62 × 4,171.64
  4. Step 4: Simplify right side
    7,708.46x = 44,376,321.10
  5. Step 5: Solve for x
    x = 44,376,321.10/7,708.46
  6. Step 6: Final answer
    x = 5,756.83

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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.