Home / 4,950.79-7,426.97-1,989.23

Finding the Fourth Proportional to 4,950.79, 7,426.97 and 1,989.23

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Solution

The fourth proportional to 4,950.79, 7,426.97 and 1,989.23 is: 2,984.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.79 : 7,426.97 = 1,989.23 : x
  2. Step 2: Convert to fraction form
    4,950.79/7,426.97 = 1,989.23/x
  3. Step 3: Cross multiply
    4,950.79x = 7,426.97 × 1,989.23
  4. Step 4: Simplify right side
    4,950.79x = 14,773,923.10
  5. Step 5: Solve for x
    x = 14,773,923.10/4,950.79
  6. Step 6: Final answer
    x = 2,984.16

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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.