Home / 8,343.19-11,512.29-4,985.54

Finding the Fourth Proportional to 8,343.19, 11,512.29 and 4,985.54

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Solution

The fourth proportional to 8,343.19, 11,512.29 and 4,985.54 is: 6,879.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.19 : 11,512.29 = 4,985.54 : x
  2. Step 2: Convert to fraction form
    8,343.19/11,512.29 = 4,985.54/x
  3. Step 3: Cross multiply
    8,343.19x = 11,512.29 × 4,985.54
  4. Step 4: Simplify right side
    8,343.19x = 57,394,982.29
  5. Step 5: Solve for x
    x = 57,394,982.29/8,343.19
  6. Step 6: Final answer
    x = 6,879.26

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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.