Home / 4,552.80-6,827.76-1,778.80

Finding the Fourth Proportional to 4,552.80, 6,827.76 and 1,778.80

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Solution

The fourth proportional to 4,552.80, 6,827.76 and 1,778.80 is: 2,667.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,552.80 : 6,827.76 = 1,778.80 : x
  2. Step 2: Convert to fraction form
    4,552.80/6,827.76 = 1,778.80/x
  3. Step 3: Cross multiply
    4,552.80x = 6,827.76 × 1,778.80
  4. Step 4: Simplify right side
    4,552.80x = 12,145,219.49
  5. Step 5: Solve for x
    x = 12,145,219.49/4,552.80
  6. Step 6: Final answer
    x = 2,667.64

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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.