Home / 5,111.14-7,668.12-1,824.55

Finding the Fourth Proportional to 5,111.14, 7,668.12 and 1,824.55

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Solution

The fourth proportional to 5,111.14, 7,668.12 and 1,824.55 is: 2,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111.14 : 7,668.12 = 1,824.55 : x
  2. Step 2: Convert to fraction form
    5,111.14/7,668.12 = 1,824.55/x
  3. Step 3: Cross multiply
    5,111.14x = 7,668.12 × 1,824.55
  4. Step 4: Simplify right side
    5,111.14x = 13,990,868.35
  5. Step 5: Solve for x
    x = 13,990,868.35/5,111.14
  6. Step 6: Final answer
    x = 2,737.33

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1.5x scale

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.