Home / 5,511.95-8,268.44-1,814.19

Finding the Fourth Proportional to 5,511.95, 8,268.44 and 1,814.19

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Solution

The fourth proportional to 5,511.95, 8,268.44 and 1,814.19 is: 2,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.95 : 8,268.44 = 1,814.19 : x
  2. Step 2: Convert to fraction form
    5,511.95/8,268.44 = 1,814.19/x
  3. Step 3: Cross multiply
    5,511.95x = 8,268.44 × 1,814.19
  4. Step 4: Simplify right side
    5,511.95x = 15,000,521.16
  5. Step 5: Solve for x
    x = 15,000,521.16/5,511.95
  6. Step 6: Final answer
    x = 2,721.45

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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.