Home / 7,283.06-10,906.64-4,155.36

Finding the Fourth Proportional to 7,283.06, 10,906.64 and 4,155.36

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Solution

The fourth proportional to 7,283.06, 10,906.64 and 4,155.36 is: 6,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,283.06 : 10,906.64 = 4,155.36 : x
  2. Step 2: Convert to fraction form
    7,283.06/10,906.64 = 4,155.36/x
  3. Step 3: Cross multiply
    7,283.06x = 10,906.64 × 4,155.36
  4. Step 4: Simplify right side
    7,283.06x = 45,321,015.59
  5. Step 5: Solve for x
    x = 45,321,015.59/7,283.06
  6. Step 6: Final answer
    x = 6,222.80

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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.