Home / 5,559.31-8,338.96-1,399.34

Finding the Fourth Proportional to 5,559.31, 8,338.96 and 1,399.34

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Solution

The fourth proportional to 5,559.31, 8,338.96 and 1,399.34 is: 2,099.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.31 : 8,338.96 = 1,399.34 : x
  2. Step 2: Convert to fraction form
    5,559.31/8,338.96 = 1,399.34/x
  3. Step 3: Cross multiply
    5,559.31x = 8,338.96 × 1,399.34
  4. Step 4: Simplify right side
    5,559.31x = 11,669,029.67
  5. Step 5: Solve for x
    x = 11,669,029.67/5,559.31
  6. Step 6: Final answer
    x = 2,099.01

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Similar ratio
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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.