Home / 5,513.76-8,270.96-1,618.08

Finding the Fourth Proportional to 5,513.76, 8,270.96 and 1,618.08

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Solution

The fourth proportional to 5,513.76, 8,270.96 and 1,618.08 is: 2,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.76 : 8,270.96 = 1,618.08 : x
  2. Step 2: Convert to fraction form
    5,513.76/8,270.96 = 1,618.08/x
  3. Step 3: Cross multiply
    5,513.76x = 8,270.96 × 1,618.08
  4. Step 4: Simplify right side
    5,513.76x = 13,383,074.96
  5. Step 5: Solve for x
    x = 13,383,074.96/5,513.76
  6. Step 6: Final answer
    x = 2,427.21

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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.