Home / 6,112.02-8,419.62-4,428.45

Finding the Fourth Proportional to 6,112.02, 8,419.62 and 4,428.45

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Solution

The fourth proportional to 6,112.02, 8,419.62 and 4,428.45 is: 6,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.02 : 8,419.62 = 4,428.45 : x
  2. Step 2: Convert to fraction form
    6,112.02/8,419.62 = 4,428.45/x
  3. Step 3: Cross multiply
    6,112.02x = 8,419.62 × 4,428.45
  4. Step 4: Simplify right side
    6,112.02x = 37,285,866.19
  5. Step 5: Solve for x
    x = 37,285,866.19/6,112.02
  6. Step 6: Final answer
    x = 6,100.42

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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.