Home / 8,308.48-12,461.40-2,761.36

Finding the Fourth Proportional to 8,308.48, 12,461.40 and 2,761.36

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Solution

The fourth proportional to 8,308.48, 12,461.40 and 2,761.36 is: 4,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.48 : 12,461.40 = 2,761.36 : x
  2. Step 2: Convert to fraction form
    8,308.48/12,461.40 = 2,761.36/x
  3. Step 3: Cross multiply
    8,308.48x = 12,461.40 × 2,761.36
  4. Step 4: Simplify right side
    8,308.48x = 34,410,411.50
  5. Step 5: Solve for x
    x = 34,410,411.50/8,308.48
  6. Step 6: Final answer
    x = 4,141.60

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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.