Home / 4,138.95-6,208.54-1,217.35

Finding the Fourth Proportional to 4,138.95, 6,208.54 and 1,217.35

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Solution

The fourth proportional to 4,138.95, 6,208.54 and 1,217.35 is: 1,826.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.95 : 6,208.54 = 1,217.35 : x
  2. Step 2: Convert to fraction form
    4,138.95/6,208.54 = 1,217.35/x
  3. Step 3: Cross multiply
    4,138.95x = 6,208.54 × 1,217.35
  4. Step 4: Simplify right side
    4,138.95x = 7,557,969.21
  5. Step 5: Solve for x
    x = 7,557,969.21/4,138.95
  6. Step 6: Final answer
    x = 1,826.06

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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.