Home / 4,031.76-5,556.15-2,910.63

Finding the Fourth Proportional to 4,031.76, 5,556.15 and 2,910.63

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Solution

The fourth proportional to 4,031.76, 5,556.15 and 2,910.63 is: 4,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,031.76 : 5,556.15 = 2,910.63 : x
  2. Step 2: Convert to fraction form
    4,031.76/5,556.15 = 2,910.63/x
  3. Step 3: Cross multiply
    4,031.76x = 5,556.15 × 2,910.63
  4. Step 4: Simplify right side
    4,031.76x = 16,171,896.87
  5. Step 5: Solve for x
    x = 16,171,896.87/4,031.76
  6. Step 6: Final answer
    x = 4,011.13

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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.