Home / 3,556.13-5,334.19-1,247.63

Finding the Fourth Proportional to 3,556.13, 5,334.19 and 1,247.63

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Solution

The fourth proportional to 3,556.13, 5,334.19 and 1,247.63 is: 1,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.13 : 5,334.19 = 1,247.63 : x
  2. Step 2: Convert to fraction form
    3,556.13/5,334.19 = 1,247.63/x
  3. Step 3: Cross multiply
    3,556.13x = 5,334.19 × 1,247.63
  4. Step 4: Simplify right side
    3,556.13x = 6,655,065.68
  5. Step 5: Solve for x
    x = 6,655,065.68/3,556.13
  6. Step 6: Final answer
    x = 1,871.44

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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.