Home / 5,600.55-8,400.42-2,678.07

Finding the Fourth Proportional to 5,600.55, 8,400.42 and 2,678.07

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Solution

The fourth proportional to 5,600.55, 8,400.42 and 2,678.07 is: 4,016.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,600.55 : 8,400.42 = 2,678.07 : x
  2. Step 2: Convert to fraction form
    5,600.55/8,400.42 = 2,678.07/x
  3. Step 3: Cross multiply
    5,600.55x = 8,400.42 × 2,678.07
  4. Step 4: Simplify right side
    5,600.55x = 22,496,912.79
  5. Step 5: Solve for x
    x = 22,496,912.79/5,600.55
  6. Step 6: Final answer
    x = 4,016.91

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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.