Home / 5,511.98-8,267.85-1,812.71

Finding the Fourth Proportional to 5,511.98, 8,267.85 and 1,812.71

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Solution

The fourth proportional to 5,511.98, 8,267.85 and 1,812.71 is: 2,719.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.98 : 8,267.85 = 1,812.71 : x
  2. Step 2: Convert to fraction form
    5,511.98/8,267.85 = 1,812.71/x
  3. Step 3: Cross multiply
    5,511.98x = 8,267.85 × 1,812.71
  4. Step 4: Simplify right side
    5,511.98x = 14,987,173.03
  5. Step 5: Solve for x
    x = 14,987,173.03/5,511.98
  6. Step 6: Final answer
    x = 2,719.02

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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.