Home / 4,720.42-7,081.83-4,423.94

Finding the Fourth Proportional to 4,720.42, 7,081.83 and 4,423.94

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Solution

The fourth proportional to 4,720.42, 7,081.83 and 4,423.94 is: 6,637.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.42 : 7,081.83 = 4,423.94 : x
  2. Step 2: Convert to fraction form
    4,720.42/7,081.83 = 4,423.94/x
  3. Step 3: Cross multiply
    4,720.42x = 7,081.83 × 4,423.94
  4. Step 4: Simplify right side
    4,720.42x = 31,329,591.01
  5. Step 5: Solve for x
    x = 31,329,591.01/4,720.42
  6. Step 6: Final answer
    x = 6,637.03

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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.