Home / 4,782.28-7,166.94-2,475.40

Finding the Fourth Proportional to 4,782.28, 7,166.94 and 2,475.40

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Solution

The fourth proportional to 4,782.28, 7,166.94 and 2,475.40 is: 3,709.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.28 : 7,166.94 = 2,475.40 : x
  2. Step 2: Convert to fraction form
    4,782.28/7,166.94 = 2,475.40/x
  3. Step 3: Cross multiply
    4,782.28x = 7,166.94 × 2,475.40
  4. Step 4: Simplify right side
    4,782.28x = 17,741,043.28
  5. Step 5: Solve for x
    x = 17,741,043.28/4,782.28
  6. Step 6: Final answer
    x = 3,709.75

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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.