Home / 4,990.34-6,885.41-3,661.74

Finding the Fourth Proportional to 4,990.34, 6,885.41 and 3,661.74

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Solution

The fourth proportional to 4,990.34, 6,885.41 and 3,661.74 is: 5,052.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.34 : 6,885.41 = 3,661.74 : x
  2. Step 2: Convert to fraction form
    4,990.34/6,885.41 = 3,661.74/x
  3. Step 3: Cross multiply
    4,990.34x = 6,885.41 × 3,661.74
  4. Step 4: Simplify right side
    4,990.34x = 25,212,562.90
  5. Step 5: Solve for x
    x = 25,212,562.90/4,990.34
  6. Step 6: Final answer
    x = 5,052.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.