Home / 7,081.82-9,763.88-4,428.26

Finding the Fourth Proportional to 7,081.82, 9,763.88 and 4,428.26

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Solution

The fourth proportional to 7,081.82, 9,763.88 and 4,428.26 is: 6,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.82 : 9,763.88 = 4,428.26 : x
  2. Step 2: Convert to fraction form
    7,081.82/9,763.88 = 4,428.26/x
  3. Step 3: Cross multiply
    7,081.82x = 9,763.88 × 4,428.26
  4. Step 4: Simplify right side
    7,081.82x = 43,236,928.29
  5. Step 5: Solve for x
    x = 43,236,928.29/7,081.82
  6. Step 6: Final answer
    x = 6,105.35

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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.