Home / 4,782.12-7,173.44-1,660.79

Finding the Fourth Proportional to 4,782.12, 7,173.44 and 1,660.79

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Solution

The fourth proportional to 4,782.12, 7,173.44 and 1,660.79 is: 2,491.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.12 : 7,173.44 = 1,660.79 : x
  2. Step 2: Convert to fraction form
    4,782.12/7,173.44 = 1,660.79/x
  3. Step 3: Cross multiply
    4,782.12x = 7,173.44 × 1,660.79
  4. Step 4: Simplify right side
    4,782.12x = 11,913,533.25
  5. Step 5: Solve for x
    x = 11,913,533.25/4,782.12
  6. Step 6: Final answer
    x = 2,491.27

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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.