Home / 5,577.64-8,366.48-2,290.78

Finding the Fourth Proportional to 5,577.64, 8,366.48 and 2,290.78

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Solution

The fourth proportional to 5,577.64, 8,366.48 and 2,290.78 is: 3,436.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.64 : 8,366.48 = 2,290.78 : x
  2. Step 2: Convert to fraction form
    5,577.64/8,366.48 = 2,290.78/x
  3. Step 3: Cross multiply
    5,577.64x = 8,366.48 × 2,290.78
  4. Step 4: Simplify right side
    5,577.64x = 19,165,765.05
  5. Step 5: Solve for x
    x = 19,165,765.05/5,577.64
  6. Step 6: Final answer
    x = 3,436.18

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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.