Home / 7,120.96-10,685.04-2,504.32

Finding the Fourth Proportional to 7,120.96, 10,685.04 and 2,504.32

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Solution

The fourth proportional to 7,120.96, 10,685.04 and 2,504.32 is: 3,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120.96 : 10,685.04 = 2,504.32 : x
  2. Step 2: Convert to fraction form
    7,120.96/10,685.04 = 2,504.32/x
  3. Step 3: Cross multiply
    7,120.96x = 10,685.04 × 2,504.32
  4. Step 4: Simplify right side
    7,120.96x = 26,758,759.37
  5. Step 5: Solve for x
    x = 26,758,759.37/7,120.96
  6. Step 6: Final answer
    x = 3,757.75

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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.