Home / 5,556.88-7,670.76-3,790.30

Finding the Fourth Proportional to 5,556.88, 7,670.76 and 3,790.30

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Solution

The fourth proportional to 5,556.88, 7,670.76 and 3,790.30 is: 5,232.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.88 : 7,670.76 = 3,790.30 : x
  2. Step 2: Convert to fraction form
    5,556.88/7,670.76 = 3,790.30/x
  3. Step 3: Cross multiply
    5,556.88x = 7,670.76 × 3,790.30
  4. Step 4: Simplify right side
    5,556.88x = 29,074,481.63
  5. Step 5: Solve for x
    x = 29,074,481.63/5,556.88
  6. Step 6: Final answer
    x = 5,232.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.