Home / 5,020.40-6,928.06-2,782.27

Finding the Fourth Proportional to 5,020.40, 6,928.06 and 2,782.27

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Solution

The fourth proportional to 5,020.40, 6,928.06 and 2,782.27 is: 3,839.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.40 : 6,928.06 = 2,782.27 : x
  2. Step 2: Convert to fraction form
    5,020.40/6,928.06 = 2,782.27/x
  3. Step 3: Cross multiply
    5,020.40x = 6,928.06 × 2,782.27
  4. Step 4: Simplify right side
    5,020.40x = 19,275,733.50
  5. Step 5: Solve for x
    x = 19,275,733.50/5,020.40
  6. Step 6: Final answer
    x = 3,839.48

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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.