Home / 4,545.41-6,270.45-3,219.80

Finding the Fourth Proportional to 4,545.41, 6,270.45 and 3,219.80

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Solution

The fourth proportional to 4,545.41, 6,270.45 and 3,219.80 is: 4,441.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.41 : 6,270.45 = 3,219.80 : x
  2. Step 2: Convert to fraction form
    4,545.41/6,270.45 = 3,219.80/x
  3. Step 3: Cross multiply
    4,545.41x = 6,270.45 × 3,219.80
  4. Step 4: Simplify right side
    4,545.41x = 20,189,594.91
  5. Step 5: Solve for x
    x = 20,189,594.91/4,545.41
  6. Step 6: Final answer
    x = 4,441.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.