Home / 5,671.20-8,506.80-3,090.54

Finding the Fourth Proportional to 5,671.20, 8,506.80 and 3,090.54

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Solution

The fourth proportional to 5,671.20, 8,506.80 and 3,090.54 is: 4,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.20 : 8,506.80 = 3,090.54 : x
  2. Step 2: Convert to fraction form
    5,671.20/8,506.80 = 3,090.54/x
  3. Step 3: Cross multiply
    5,671.20x = 8,506.80 × 3,090.54
  4. Step 4: Simplify right side
    5,671.20x = 26,290,605.67
  5. Step 5: Solve for x
    x = 26,290,605.67/5,671.20
  6. Step 6: Final answer
    x = 4,635.81

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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.