Home / 7,485.85-11,222.61-2,983.36

Finding the Fourth Proportional to 7,485.85, 11,222.61 and 2,983.36

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Solution

The fourth proportional to 7,485.85, 11,222.61 and 2,983.36 is: 4,472.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.85 : 11,222.61 = 2,983.36 : x
  2. Step 2: Convert to fraction form
    7,485.85/11,222.61 = 2,983.36/x
  3. Step 3: Cross multiply
    7,485.85x = 11,222.61 × 2,983.36
  4. Step 4: Simplify right side
    7,485.85x = 33,481,085.77
  5. Step 5: Solve for x
    x = 33,481,085.77/7,485.85
  6. Step 6: Final answer
    x = 4,472.58

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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.