Home / 5,238.35-7,228.94-2,848.34

Finding the Fourth Proportional to 5,238.35, 7,228.94 and 2,848.34

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Solution

The fourth proportional to 5,238.35, 7,228.94 and 2,848.34 is: 3,930.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.35 : 7,228.94 = 2,848.34 : x
  2. Step 2: Convert to fraction form
    5,238.35/7,228.94 = 2,848.34/x
  3. Step 3: Cross multiply
    5,238.35x = 7,228.94 × 2,848.34
  4. Step 4: Simplify right side
    5,238.35x = 20,590,478.96
  5. Step 5: Solve for x
    x = 20,590,478.96/5,238.35
  6. Step 6: Final answer
    x = 3,930.72

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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.