Home / 9,031.44-13,542.21-2,789.76

Finding the Fourth Proportional to 9,031.44, 13,542.21 and 2,789.76

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Solution

The fourth proportional to 9,031.44, 13,542.21 and 2,789.76 is: 4,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.44 : 13,542.21 = 2,789.76 : x
  2. Step 2: Convert to fraction form
    9,031.44/13,542.21 = 2,789.76/x
  3. Step 3: Cross multiply
    9,031.44x = 13,542.21 × 2,789.76
  4. Step 4: Simplify right side
    9,031.44x = 37,779,515.77
  5. Step 5: Solve for x
    x = 37,779,515.77/9,031.44
  6. Step 6: Final answer
    x = 4,183.11

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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.