Home / 8,734.72-13,101.36-2,889.40

Finding the Fourth Proportional to 8,734.72, 13,101.36 and 2,889.40

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Solution

The fourth proportional to 8,734.72, 13,101.36 and 2,889.40 is: 4,333.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.72 : 13,101.36 = 2,889.40 : x
  2. Step 2: Convert to fraction form
    8,734.72/13,101.36 = 2,889.40/x
  3. Step 3: Cross multiply
    8,734.72x = 13,101.36 × 2,889.40
  4. Step 4: Simplify right side
    8,734.72x = 37,855,069.58
  5. Step 5: Solve for x
    x = 37,855,069.58/8,734.72
  6. Step 6: Final answer
    x = 4,333.86

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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.