Home / 4,989.49-7,485.86-2,392.09

Finding the Fourth Proportional to 4,989.49, 7,485.86 and 2,392.09

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Solution

The fourth proportional to 4,989.49, 7,485.86 and 2,392.09 is: 3,588.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.49 : 7,485.86 = 2,392.09 : x
  2. Step 2: Convert to fraction form
    4,989.49/7,485.86 = 2,392.09/x
  3. Step 3: Cross multiply
    4,989.49x = 7,485.86 × 2,392.09
  4. Step 4: Simplify right side
    4,989.49x = 17,906,838.89
  5. Step 5: Solve for x
    x = 17,906,838.89/4,989.49
  6. Step 6: Final answer
    x = 3,588.91

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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.