Home / 7,152.41-10,728.09-2,408.60

Finding the Fourth Proportional to 7,152.41, 10,728.09 and 2,408.60

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Solution

The fourth proportional to 7,152.41, 10,728.09 and 2,408.60 is: 3,612.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.41 : 10,728.09 = 2,408.60 : x
  2. Step 2: Convert to fraction form
    7,152.41/10,728.09 = 2,408.60/x
  3. Step 3: Cross multiply
    7,152.41x = 10,728.09 × 2,408.60
  4. Step 4: Simplify right side
    7,152.41x = 25,839,623.93
  5. Step 5: Solve for x
    x = 25,839,623.93/7,152.41
  6. Step 6: Final answer
    x = 3,612.72

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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.