Home / 5,410.60-8,116.71-2,290.60

Finding the Fourth Proportional to 5,410.60, 8,116.71 and 2,290.60

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Solution

The fourth proportional to 5,410.60, 8,116.71 and 2,290.60 is: 3,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.60 : 8,116.71 = 2,290.60 : x
  2. Step 2: Convert to fraction form
    5,410.60/8,116.71 = 2,290.60/x
  3. Step 3: Cross multiply
    5,410.60x = 8,116.71 × 2,290.60
  4. Step 4: Simplify right side
    5,410.60x = 18,592,135.93
  5. Step 5: Solve for x
    x = 18,592,135.93/5,410.60
  6. Step 6: Final answer
    x = 3,436.24

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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.