Home / 8,511.36-12,755.92-3,574.48

Finding the Fourth Proportional to 8,511.36, 12,755.92 and 3,574.48

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Solution

The fourth proportional to 8,511.36, 12,755.92 and 3,574.48 is: 5,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.36 : 12,755.92 = 3,574.48 : x
  2. Step 2: Convert to fraction form
    8,511.36/12,755.92 = 3,574.48/x
  3. Step 3: Cross multiply
    8,511.36x = 12,755.92 × 3,574.48
  4. Step 4: Simplify right side
    8,511.36x = 45,595,780.92
  5. Step 5: Solve for x
    x = 45,595,780.92/8,511.36
  6. Step 6: Final answer
    x = 5,357.05

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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.