Home / 6,119.81-8,442.33-3,994.36

Finding the Fourth Proportional to 6,119.81, 8,442.33 and 3,994.36

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Solution

The fourth proportional to 6,119.81, 8,442.33 and 3,994.36 is: 5,510.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.81 : 8,442.33 = 3,994.36 : x
  2. Step 2: Convert to fraction form
    6,119.81/8,442.33 = 3,994.36/x
  3. Step 3: Cross multiply
    6,119.81x = 8,442.33 × 3,994.36
  4. Step 4: Simplify right side
    6,119.81x = 33,721,684.15
  5. Step 5: Solve for x
    x = 33,721,684.15/6,119.81
  6. Step 6: Final answer
    x = 5,510.25

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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.