Home / 5,545.50-8,313.90-2,770.80

Finding the Fourth Proportional to 5,545.50, 8,313.90 and 2,770.80

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Solution

The fourth proportional to 5,545.50, 8,313.90 and 2,770.80 is: 4,154.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.50 : 8,313.90 = 2,770.80 : x
  2. Step 2: Convert to fraction form
    5,545.50/8,313.90 = 2,770.80/x
  3. Step 3: Cross multiply
    5,545.50x = 8,313.90 × 2,770.80
  4. Step 4: Simplify right side
    5,545.50x = 23,036,154.12
  5. Step 5: Solve for x
    x = 23,036,154.12/5,545.50
  6. Step 6: Final answer
    x = 4,154.03

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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.