Home / 5,586.20-8,380.60-1,888.36

Finding the Fourth Proportional to 5,586.20, 8,380.60 and 1,888.36

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Solution

The fourth proportional to 5,586.20, 8,380.60 and 1,888.36 is: 2,832.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.20 : 8,380.60 = 1,888.36 : x
  2. Step 2: Convert to fraction form
    5,586.20/8,380.60 = 1,888.36/x
  3. Step 3: Cross multiply
    5,586.20x = 8,380.60 × 1,888.36
  4. Step 4: Simplify right side
    5,586.20x = 15,825,589.82
  5. Step 5: Solve for x
    x = 15,825,589.82/5,586.20
  6. Step 6: Final answer
    x = 2,832.98

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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.