Home / 9,126.24-13,686.60-3,279.60

Finding the Fourth Proportional to 9,126.24, 13,686.60 and 3,279.60

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Solution

The fourth proportional to 9,126.24, 13,686.60 and 3,279.60 is: 4,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.24 : 13,686.60 = 3,279.60 : x
  2. Step 2: Convert to fraction form
    9,126.24/13,686.60 = 3,279.60/x
  3. Step 3: Cross multiply
    9,126.24x = 13,686.60 × 3,279.60
  4. Step 4: Simplify right side
    9,126.24x = 44,886,573.36
  5. Step 5: Solve for x
    x = 44,886,573.36/9,126.24
  6. Step 6: Final answer
    x = 4,918.41

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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.