Home / 7,325.28-10,989.36-2,708.64

Finding the Fourth Proportional to 7,325.28, 10,989.36 and 2,708.64

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Solution

The fourth proportional to 7,325.28, 10,989.36 and 2,708.64 is: 4,063.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.28 : 10,989.36 = 2,708.64 : x
  2. Step 2: Convert to fraction form
    7,325.28/10,989.36 = 2,708.64/x
  3. Step 3: Cross multiply
    7,325.28x = 10,989.36 × 2,708.64
  4. Step 4: Simplify right side
    7,325.28x = 29,766,220.07
  5. Step 5: Solve for x
    x = 29,766,220.07/7,325.28
  6. Step 6: Final answer
    x = 4,063.49

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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.