Home / 5,540.81-8,308.77-2,075.63

Finding the Fourth Proportional to 5,540.81, 8,308.77 and 2,075.63

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Solution

The fourth proportional to 5,540.81, 8,308.77 and 2,075.63 is: 3,112.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.81 : 8,308.77 = 2,075.63 : x
  2. Step 2: Convert to fraction form
    5,540.81/8,308.77 = 2,075.63/x
  3. Step 3: Cross multiply
    5,540.81x = 8,308.77 × 2,075.63
  4. Step 4: Simplify right side
    5,540.81x = 17,245,882.95
  5. Step 5: Solve for x
    x = 17,245,882.95/5,540.81
  6. Step 6: Final answer
    x = 3,112.52

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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.