Home / 4,238.20-6,355.64-1,774.16

Finding the Fourth Proportional to 4,238.20, 6,355.64 and 1,774.16

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Solution

The fourth proportional to 4,238.20, 6,355.64 and 1,774.16 is: 2,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.20 : 6,355.64 = 1,774.16 : x
  2. Step 2: Convert to fraction form
    4,238.20/6,355.64 = 1,774.16/x
  3. Step 3: Cross multiply
    4,238.20x = 6,355.64 × 1,774.16
  4. Step 4: Simplify right side
    4,238.20x = 11,275,922.26
  5. Step 5: Solve for x
    x = 11,275,922.26/4,238.20
  6. Step 6: Final answer
    x = 2,660.55

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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.