Home / 4,782.99-7,177.27-2,009.45

Finding the Fourth Proportional to 4,782.99, 7,177.27 and 2,009.45

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Solution

The fourth proportional to 4,782.99, 7,177.27 and 2,009.45 is: 3,015.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.99 : 7,177.27 = 2,009.45 : x
  2. Step 2: Convert to fraction form
    4,782.99/7,177.27 = 2,009.45/x
  3. Step 3: Cross multiply
    4,782.99x = 7,177.27 × 2,009.45
  4. Step 4: Simplify right side
    4,782.99x = 14,422,355.15
  5. Step 5: Solve for x
    x = 14,422,355.15/4,782.99
  6. Step 6: Final answer
    x = 3,015.34

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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.