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Finding the Fourth Proportional to 8,340.77, 12,511.18 and 3,073.50

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Solution

The fourth proportional to 8,340.77, 12,511.18 and 3,073.50 is: 4,610.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.77 : 12,511.18 = 3,073.50 : x
  2. Step 2: Convert to fraction form
    8,340.77/12,511.18 = 3,073.50/x
  3. Step 3: Cross multiply
    8,340.77x = 12,511.18 × 3,073.50
  4. Step 4: Simplify right side
    8,340.77x = 38,453,111.73
  5. Step 5: Solve for x
    x = 38,453,111.73/8,340.77
  6. Step 6: Final answer
    x = 4,610.26

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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.