Home / 7,150.53-10,724.49-2,989.44

Finding the Fourth Proportional to 7,150.53, 10,724.49 and 2,989.44

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Solution

The fourth proportional to 7,150.53, 10,724.49 and 2,989.44 is: 4,483.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.53 : 10,724.49 = 2,989.44 : x
  2. Step 2: Convert to fraction form
    7,150.53/10,724.49 = 2,989.44/x
  3. Step 3: Cross multiply
    7,150.53x = 10,724.49 × 2,989.44
  4. Step 4: Simplify right side
    7,150.53x = 32,060,219.39
  5. Step 5: Solve for x
    x = 32,060,219.39/7,150.53
  6. Step 6: Final answer
    x = 4,483.61

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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.