Home / 4,668.21-7,002.32-1,381.59

Finding the Fourth Proportional to 4,668.21, 7,002.32 and 1,381.59

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Solution

The fourth proportional to 4,668.21, 7,002.32 and 1,381.59 is: 2,072.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.21 : 7,002.32 = 1,381.59 : x
  2. Step 2: Convert to fraction form
    4,668.21/7,002.32 = 1,381.59/x
  3. Step 3: Cross multiply
    4,668.21x = 7,002.32 × 1,381.59
  4. Step 4: Simplify right side
    4,668.21x = 9,674,328.38
  5. Step 5: Solve for x
    x = 9,674,328.38/4,668.21
  6. Step 6: Final answer
    x = 2,072.39

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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.