Home / 5,090.24-7,636.48-2,012.16

Finding the Fourth Proportional to 5,090.24, 7,636.48 and 2,012.16

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Solution

The fourth proportional to 5,090.24, 7,636.48 and 2,012.16 is: 3,018.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.24 : 7,636.48 = 2,012.16 : x
  2. Step 2: Convert to fraction form
    5,090.24/7,636.48 = 2,012.16/x
  3. Step 3: Cross multiply
    5,090.24x = 7,636.48 × 2,012.16
  4. Step 4: Simplify right side
    5,090.24x = 15,365,819.60
  5. Step 5: Solve for x
    x = 15,365,819.60/5,090.24
  6. Step 6: Final answer
    x = 3,018.68

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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.