Home / 8,889.06-12,266.19-5,112.03

Finding the Fourth Proportional to 8,889.06, 12,266.19 and 5,112.03

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Solution

The fourth proportional to 8,889.06, 12,266.19 and 5,112.03 is: 7,054.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.06 : 12,266.19 = 5,112.03 : x
  2. Step 2: Convert to fraction form
    8,889.06/12,266.19 = 5,112.03/x
  3. Step 3: Cross multiply
    8,889.06x = 12,266.19 × 5,112.03
  4. Step 4: Simplify right side
    8,889.06x = 62,705,131.27
  5. Step 5: Solve for x
    x = 62,705,131.27/8,889.06
  6. Step 6: Final answer
    x = 7,054.19

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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.