Home / 5,451.76-8,135.49-4,862.03

Finding the Fourth Proportional to 5,451.76, 8,135.49 and 4,862.03

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Solution

The fourth proportional to 5,451.76, 8,135.49 and 4,862.03 is: 7,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.76 : 8,135.49 = 4,862.03 : x
  2. Step 2: Convert to fraction form
    5,451.76/8,135.49 = 4,862.03/x
  3. Step 3: Cross multiply
    5,451.76x = 8,135.49 × 4,862.03
  4. Step 4: Simplify right side
    5,451.76x = 39,554,946.65
  5. Step 5: Solve for x
    x = 39,554,946.65/5,451.76
  6. Step 6: Final answer
    x = 7,255.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.