Home / 4,950.80-7,426.20-3,107.60

Finding the Fourth Proportional to 4,950.80, 7,426.20 and 3,107.60

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Solution

The fourth proportional to 4,950.80, 7,426.20 and 3,107.60 is: 4,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.80 : 7,426.20 = 3,107.60 : x
  2. Step 2: Convert to fraction form
    4,950.80/7,426.20 = 3,107.60/x
  3. Step 3: Cross multiply
    4,950.80x = 7,426.20 × 3,107.60
  4. Step 4: Simplify right side
    4,950.80x = 23,077,659.12
  5. Step 5: Solve for x
    x = 23,077,659.12/4,950.80
  6. Step 6: Final answer
    x = 4,661.40

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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.