Home / 5,511.42-8,268.57-1,615.77

Finding the Fourth Proportional to 5,511.42, 8,268.57 and 1,615.77

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Solution

The fourth proportional to 5,511.42, 8,268.57 and 1,615.77 is: 2,424.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.42 : 8,268.57 = 1,615.77 : x
  2. Step 2: Convert to fraction form
    5,511.42/8,268.57 = 1,615.77/x
  3. Step 3: Cross multiply
    5,511.42x = 8,268.57 × 1,615.77
  4. Step 4: Simplify right side
    5,511.42x = 13,360,107.35
  5. Step 5: Solve for x
    x = 13,360,107.35/5,511.42
  6. Step 6: Final answer
    x = 2,424.08

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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.