Home / 5,352.21-8,031.96-1,889.46

Finding the Fourth Proportional to 5,352.21, 8,031.96 and 1,889.46

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Solution

The fourth proportional to 5,352.21, 8,031.96 and 1,889.46 is: 2,835.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.21 : 8,031.96 = 1,889.46 : x
  2. Step 2: Convert to fraction form
    5,352.21/8,031.96 = 1,889.46/x
  3. Step 3: Cross multiply
    5,352.21x = 8,031.96 × 1,889.46
  4. Step 4: Simplify right side
    5,352.21x = 15,176,067.14
  5. Step 5: Solve for x
    x = 15,176,067.14/5,352.21
  6. Step 6: Final answer
    x = 2,835.48

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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.