Home / 8,629.70-11,911.19-5,094.05

Finding the Fourth Proportional to 8,629.70, 11,911.19 and 5,094.05

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Solution

The fourth proportional to 8,629.70, 11,911.19 and 5,094.05 is: 7,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.70 : 11,911.19 = 5,094.05 : x
  2. Step 2: Convert to fraction form
    8,629.70/11,911.19 = 5,094.05/x
  3. Step 3: Cross multiply
    8,629.70x = 11,911.19 × 5,094.05
  4. Step 4: Simplify right side
    8,629.70x = 60,676,112.39
  5. Step 5: Solve for x
    x = 60,676,112.39/8,629.70
  6. Step 6: Final answer
    x = 7,031.08

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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.