Home / 8,456.63-12,686.82-2,533.28

Finding the Fourth Proportional to 8,456.63, 12,686.82 and 2,533.28

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Solution

The fourth proportional to 8,456.63, 12,686.82 and 2,533.28 is: 3,800.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.63 : 12,686.82 = 2,533.28 : x
  2. Step 2: Convert to fraction form
    8,456.63/12,686.82 = 2,533.28/x
  3. Step 3: Cross multiply
    8,456.63x = 12,686.82 × 2,533.28
  4. Step 4: Simplify right side
    8,456.63x = 32,139,194.44
  5. Step 5: Solve for x
    x = 32,139,194.44/8,456.63
  6. Step 6: Final answer
    x = 3,800.48

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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.