Home / 4,101.78-6,153.75-1,180.32

Finding the Fourth Proportional to 4,101.78, 6,153.75 and 1,180.32

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Solution

The fourth proportional to 4,101.78, 6,153.75 and 1,180.32 is: 1,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.78 : 6,153.75 = 1,180.32 : x
  2. Step 2: Convert to fraction form
    4,101.78/6,153.75 = 1,180.32/x
  3. Step 3: Cross multiply
    4,101.78x = 6,153.75 × 1,180.32
  4. Step 4: Simplify right side
    4,101.78x = 7,263,394.20
  5. Step 5: Solve for x
    x = 7,263,394.20/4,101.78
  6. Step 6: Final answer
    x = 1,770.79

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1.5x scale

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.