Home / 5,090.32-7,634.04-1,625.68

Finding the Fourth Proportional to 5,090.32, 7,634.04 and 1,625.68

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Solution

The fourth proportional to 5,090.32, 7,634.04 and 1,625.68 is: 2,438.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.32 : 7,634.04 = 1,625.68 : x
  2. Step 2: Convert to fraction form
    5,090.32/7,634.04 = 1,625.68/x
  3. Step 3: Cross multiply
    5,090.32x = 7,634.04 × 1,625.68
  4. Step 4: Simplify right side
    5,090.32x = 12,410,506.15
  5. Step 5: Solve for x
    x = 12,410,506.15/5,090.32
  6. Step 6: Final answer
    x = 2,438.06

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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.