Home / 4,081.95-6,123.78-2,133.63

Finding the Fourth Proportional to 4,081.95, 6,123.78 and 2,133.63

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Solution

The fourth proportional to 4,081.95, 6,123.78 and 2,133.63 is: 3,200.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.95 : 6,123.78 = 2,133.63 : x
  2. Step 2: Convert to fraction form
    4,081.95/6,123.78 = 2,133.63/x
  3. Step 3: Cross multiply
    4,081.95x = 6,123.78 × 2,133.63
  4. Step 4: Simplify right side
    4,081.95x = 13,065,880.72
  5. Step 5: Solve for x
    x = 13,065,880.72/4,081.95
  6. Step 6: Final answer
    x = 3,200.89

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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.