Home / 4,423.80-6,630.94-2,081.82

Finding the Fourth Proportional to 4,423.80, 6,630.94 and 2,081.82

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Solution

The fourth proportional to 4,423.80, 6,630.94 and 2,081.82 is: 3,120.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423.80 : 6,630.94 = 2,081.82 : x
  2. Step 2: Convert to fraction form
    4,423.80/6,630.94 = 2,081.82/x
  3. Step 3: Cross multiply
    4,423.80x = 6,630.94 × 2,081.82
  4. Step 4: Simplify right side
    4,423.80x = 13,804,423.51
  5. Step 5: Solve for x
    x = 13,804,423.51/4,423.80
  6. Step 6: Final answer
    x = 3,120.49

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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.