Home / 5,505.87-8,259.33-1,808.12

Finding the Fourth Proportional to 5,505.87, 8,259.33 and 1,808.12

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Solution

The fourth proportional to 5,505.87, 8,259.33 and 1,808.12 is: 2,712.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.87 : 8,259.33 = 1,808.12 : x
  2. Step 2: Convert to fraction form
    5,505.87/8,259.33 = 1,808.12/x
  3. Step 3: Cross multiply
    5,505.87x = 8,259.33 × 1,808.12
  4. Step 4: Simplify right side
    5,505.87x = 14,933,887.19
  5. Step 5: Solve for x
    x = 14,933,887.19/5,505.87
  6. Step 6: Final answer
    x = 2,712.36

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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.