Home / 5,545.80-8,318.70-1,846.80

Finding the Fourth Proportional to 5,545.80, 8,318.70 and 1,846.80

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Solution

The fourth proportional to 5,545.80, 8,318.70 and 1,846.80 is: 2,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.80 : 8,318.70 = 1,846.80 : x
  2. Step 2: Convert to fraction form
    5,545.80/8,318.70 = 1,846.80/x
  3. Step 3: Cross multiply
    5,545.80x = 8,318.70 × 1,846.80
  4. Step 4: Simplify right side
    5,545.80x = 15,362,975.16
  5. Step 5: Solve for x
    x = 15,362,975.16/5,545.80
  6. Step 6: Final answer
    x = 2,770.20

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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.