Home / 5,510.85-8,266.26-1,406.85

Finding the Fourth Proportional to 5,510.85, 8,266.26 and 1,406.85

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Solution

The fourth proportional to 5,510.85, 8,266.26 and 1,406.85 is: 2,110.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.85 : 8,266.26 = 1,406.85 : x
  2. Step 2: Convert to fraction form
    5,510.85/8,266.26 = 1,406.85/x
  3. Step 3: Cross multiply
    5,510.85x = 8,266.26 × 1,406.85
  4. Step 4: Simplify right side
    5,510.85x = 11,629,387.88
  5. Step 5: Solve for x
    x = 11,629,387.88/5,510.85
  6. Step 6: Final answer
    x = 2,110.27

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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.