Home / 4,668.79-7,002.33-1,381.11

Finding the Fourth Proportional to 4,668.79, 7,002.33 and 1,381.11

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Solution

The fourth proportional to 4,668.79, 7,002.33 and 1,381.11 is: 2,071.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.79 : 7,002.33 = 1,381.11 : x
  2. Step 2: Convert to fraction form
    4,668.79/7,002.33 = 1,381.11/x
  3. Step 3: Cross multiply
    4,668.79x = 7,002.33 × 1,381.11
  4. Step 4: Simplify right side
    4,668.79x = 9,670,987.99
  5. Step 5: Solve for x
    x = 9,670,987.99/4,668.79
  6. Step 6: Final answer
    x = 2,071.41

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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.