Home / 4,118.36-6,177.54-1,384.28

Finding the Fourth Proportional to 4,118.36, 6,177.54 and 1,384.28

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Solution

The fourth proportional to 4,118.36, 6,177.54 and 1,384.28 is: 2,076.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.36 : 6,177.54 = 1,384.28 : x
  2. Step 2: Convert to fraction form
    4,118.36/6,177.54 = 1,384.28/x
  3. Step 3: Cross multiply
    4,118.36x = 6,177.54 × 1,384.28
  4. Step 4: Simplify right side
    4,118.36x = 8,551,445.07
  5. Step 5: Solve for x
    x = 8,551,445.07/4,118.36
  6. Step 6: Final answer
    x = 2,076.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.