Home / 4,720.70-7,081.05-1,433.81

Finding the Fourth Proportional to 4,720.70, 7,081.05 and 1,433.81

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Solution

The fourth proportional to 4,720.70, 7,081.05 and 1,433.81 is: 2,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.70 : 7,081.05 = 1,433.81 : x
  2. Step 2: Convert to fraction form
    4,720.70/7,081.05 = 1,433.81/x
  3. Step 3: Cross multiply
    4,720.70x = 7,081.05 × 1,433.81
  4. Step 4: Simplify right side
    4,720.70x = 10,152,880.30
  5. Step 5: Solve for x
    x = 10,152,880.30/4,720.70
  6. Step 6: Final answer
    x = 2,150.72

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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.