Home / 7,228.26-10,838.14-3,478.37

Finding the Fourth Proportional to 7,228.26, 10,838.14 and 3,478.37

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Solution

The fourth proportional to 7,228.26, 10,838.14 and 3,478.37 is: 5,215.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.26 : 10,838.14 = 3,478.37 : x
  2. Step 2: Convert to fraction form
    7,228.26/10,838.14 = 3,478.37/x
  3. Step 3: Cross multiply
    7,228.26x = 10,838.14 × 3,478.37
  4. Step 4: Simplify right side
    7,228.26x = 37,698,998.15
  5. Step 5: Solve for x
    x = 37,698,998.15/7,228.26
  6. Step 6: Final answer
    x = 5,215.50

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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.