Home / 5,705.37-8,559.34-1,906.30

Finding the Fourth Proportional to 5,705.37, 8,559.34 and 1,906.30

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Solution

The fourth proportional to 5,705.37, 8,559.34 and 1,906.30 is: 2,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.37 : 8,559.34 = 1,906.30 : x
  2. Step 2: Convert to fraction form
    5,705.37/8,559.34 = 1,906.30/x
  3. Step 3: Cross multiply
    5,705.37x = 8,559.34 × 1,906.30
  4. Step 4: Simplify right side
    5,705.37x = 16,316,675.78
  5. Step 5: Solve for x
    x = 16,316,675.78/5,705.37
  6. Step 6: Final answer
    x = 2,859.88

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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.