Home / 4,408.80-6,614.74-2,763.40

Finding the Fourth Proportional to 4,408.80, 6,614.74 and 2,763.40

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Solution

The fourth proportional to 4,408.80, 6,614.74 and 2,763.40 is: 4,146.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,408.80 : 6,614.74 = 2,763.40 : x
  2. Step 2: Convert to fraction form
    4,408.80/6,614.74 = 2,763.40/x
  3. Step 3: Cross multiply
    4,408.80x = 6,614.74 × 2,763.40
  4. Step 4: Simplify right side
    4,408.80x = 18,279,172.52
  5. Step 5: Solve for x
    x = 18,279,172.52/4,408.80
  6. Step 6: Final answer
    x = 4,146.07

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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.