Home / 4,102.78-6,153.48-1,505.74

Finding the Fourth Proportional to 4,102.78, 6,153.48 and 1,505.74

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Solution

The fourth proportional to 4,102.78, 6,153.48 and 1,505.74 is: 2,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.78 : 6,153.48 = 1,505.74 : x
  2. Step 2: Convert to fraction form
    4,102.78/6,153.48 = 1,505.74/x
  3. Step 3: Cross multiply
    4,102.78x = 6,153.48 × 1,505.74
  4. Step 4: Simplify right side
    4,102.78x = 9,265,540.98
  5. Step 5: Solve for x
    x = 9,265,540.98/4,102.78
  6. Step 6: Final answer
    x = 2,258.36

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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.