Home / 4,668.43-7,002.65-1,381.78

Finding the Fourth Proportional to 4,668.43, 7,002.65 and 1,381.78

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Solution

The fourth proportional to 4,668.43, 7,002.65 and 1,381.78 is: 2,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.43 : 7,002.65 = 1,381.78 : x
  2. Step 2: Convert to fraction form
    4,668.43/7,002.65 = 1,381.78/x
  3. Step 3: Cross multiply
    4,668.43x = 7,002.65 × 1,381.78
  4. Step 4: Simplify right side
    4,668.43x = 9,676,126.15
  5. Step 5: Solve for x
    x = 9,676,126.15/4,668.43
  6. Step 6: Final answer
    x = 2,072.67

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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.