Home / 5,513.04-8,268.75-1,815.12

Finding the Fourth Proportional to 5,513.04, 8,268.75 and 1,815.12

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Solution

The fourth proportional to 5,513.04, 8,268.75 and 1,815.12 is: 2,722.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.04 : 8,268.75 = 1,815.12 : x
  2. Step 2: Convert to fraction form
    5,513.04/8,268.75 = 1,815.12/x
  3. Step 3: Cross multiply
    5,513.04x = 8,268.75 × 1,815.12
  4. Step 4: Simplify right side
    5,513.04x = 15,008,773.50
  5. Step 5: Solve for x
    x = 15,008,773.50/5,513.04
  6. Step 6: Final answer
    x = 2,722.41

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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.