Home / 5,021.23-6,928.74-2,782.55

Finding the Fourth Proportional to 5,021.23, 6,928.74 and 2,782.55

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Solution

The fourth proportional to 5,021.23, 6,928.74 and 2,782.55 is: 3,839.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.23 : 6,928.74 = 2,782.55 : x
  2. Step 2: Convert to fraction form
    5,021.23/6,928.74 = 2,782.55/x
  3. Step 3: Cross multiply
    5,021.23x = 6,928.74 × 2,782.55
  4. Step 4: Simplify right side
    5,021.23x = 19,279,565.49
  5. Step 5: Solve for x
    x = 19,279,565.49/5,021.23
  6. Step 6: Final answer
    x = 3,839.61

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1.5x scale

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.