Home / 6,923.06-10,389.14-2,540.55

Finding the Fourth Proportional to 6,923.06, 10,389.14 and 2,540.55

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Solution

The fourth proportional to 6,923.06, 10,389.14 and 2,540.55 is: 3,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.06 : 10,389.14 = 2,540.55 : x
  2. Step 2: Convert to fraction form
    6,923.06/10,389.14 = 2,540.55/x
  3. Step 3: Cross multiply
    6,923.06x = 10,389.14 × 2,540.55
  4. Step 4: Simplify right side
    6,923.06x = 26,394,129.63
  5. Step 5: Solve for x
    x = 26,394,129.63/6,923.06
  6. Step 6: Final answer
    x = 3,812.49

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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.