Home / 7,826.43-10,800.45-4,241.49

Finding the Fourth Proportional to 7,826.43, 10,800.45 and 4,241.49

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Solution

The fourth proportional to 7,826.43, 10,800.45 and 4,241.49 is: 5,853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.43 : 10,800.45 = 4,241.49 : x
  2. Step 2: Convert to fraction form
    7,826.43/10,800.45 = 4,241.49/x
  3. Step 3: Cross multiply
    7,826.43x = 10,800.45 × 4,241.49
  4. Step 4: Simplify right side
    7,826.43x = 45,809,936.06
  5. Step 5: Solve for x
    x = 45,809,936.06/7,826.43
  6. Step 6: Final answer
    x = 5,853.24

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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.