Home / 4,658.07-6,428.57-2,668.80

Finding the Fourth Proportional to 4,658.07, 6,428.57 and 2,668.80

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Solution

The fourth proportional to 4,658.07, 6,428.57 and 2,668.80 is: 3,683.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.07 : 6,428.57 = 2,668.80 : x
  2. Step 2: Convert to fraction form
    4,658.07/6,428.57 = 2,668.80/x
  3. Step 3: Cross multiply
    4,658.07x = 6,428.57 × 2,668.80
  4. Step 4: Simplify right side
    4,658.07x = 17,156,554.27
  5. Step 5: Solve for x
    x = 17,156,554.27/4,658.07
  6. Step 6: Final answer
    x = 3,683.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.