Home / 7,643.03-10,546.57-4,286.18

Finding the Fourth Proportional to 7,643.03, 10,546.57 and 4,286.18

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Solution

The fourth proportional to 7,643.03, 10,546.57 and 4,286.18 is: 5,914.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.03 : 10,546.57 = 4,286.18 : x
  2. Step 2: Convert to fraction form
    7,643.03/10,546.57 = 4,286.18/x
  3. Step 3: Cross multiply
    7,643.03x = 10,546.57 × 4,286.18
  4. Step 4: Simplify right side
    7,643.03x = 45,204,529.13
  5. Step 5: Solve for x
    x = 45,204,529.13/7,643.03
  6. Step 6: Final answer
    x = 5,914.48

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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.