Home / 8,090.62-12,135.93-4,625.44

Finding the Fourth Proportional to 8,090.62, 12,135.93 and 4,625.44

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Solution

The fourth proportional to 8,090.62, 12,135.93 and 4,625.44 is: 6,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.62 : 12,135.93 = 4,625.44 : x
  2. Step 2: Convert to fraction form
    8,090.62/12,135.93 = 4,625.44/x
  3. Step 3: Cross multiply
    8,090.62x = 12,135.93 × 4,625.44
  4. Step 4: Simplify right side
    8,090.62x = 56,133,968.37
  5. Step 5: Solve for x
    x = 56,133,968.37/8,090.62
  6. Step 6: Final answer
    x = 6,938.16

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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.