Home / 4,242.24-6,363.36-1,778.22

Finding the Fourth Proportional to 4,242.24, 6,363.36 and 1,778.22

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Solution

The fourth proportional to 4,242.24, 6,363.36 and 1,778.22 is: 2,667.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.24 : 6,363.36 = 1,778.22 : x
  2. Step 2: Convert to fraction form
    4,242.24/6,363.36 = 1,778.22/x
  3. Step 3: Cross multiply
    4,242.24x = 6,363.36 × 1,778.22
  4. Step 4: Simplify right side
    4,242.24x = 11,315,454.02
  5. Step 5: Solve for x
    x = 11,315,454.02/4,242.24
  6. Step 6: Final answer
    x = 2,667.33

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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.