Home / 4,177.84-6,269.46-1,989.04

Finding the Fourth Proportional to 4,177.84, 6,269.46 and 1,989.04

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Solution

The fourth proportional to 4,177.84, 6,269.46 and 1,989.04 is: 2,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.84 : 6,269.46 = 1,989.04 : x
  2. Step 2: Convert to fraction form
    4,177.84/6,269.46 = 1,989.04/x
  3. Step 3: Cross multiply
    4,177.84x = 6,269.46 × 1,989.04
  4. Step 4: Simplify right side
    4,177.84x = 12,470,206.72
  5. Step 5: Solve for x
    x = 12,470,206.72/4,177.84
  6. Step 6: Final answer
    x = 2,984.85

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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.