Home / 5,236.45-7,853.86-3,400.58

Finding the Fourth Proportional to 5,236.45, 7,853.86 and 3,400.58

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Solution

The fourth proportional to 5,236.45, 7,853.86 and 3,400.58 is: 5,100.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.45 : 7,853.86 = 3,400.58 : x
  2. Step 2: Convert to fraction form
    5,236.45/7,853.86 = 3,400.58/x
  3. Step 3: Cross multiply
    5,236.45x = 7,853.86 × 3,400.58
  4. Step 4: Simplify right side
    5,236.45x = 26,707,679.24
  5. Step 5: Solve for x
    x = 26,707,679.24/5,236.45
  6. Step 6: Final answer
    x = 5,100.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.