Home / 8,427.54-12,640.86-2,584.17

Finding the Fourth Proportional to 8,427.54, 12,640.86 and 2,584.17

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Solution

The fourth proportional to 8,427.54, 12,640.86 and 2,584.17 is: 3,876.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.54 : 12,640.86 = 2,584.17 : x
  2. Step 2: Convert to fraction form
    8,427.54/12,640.86 = 2,584.17/x
  3. Step 3: Cross multiply
    8,427.54x = 12,640.86 × 2,584.17
  4. Step 4: Simplify right side
    8,427.54x = 32,666,131.19
  5. Step 5: Solve for x
    x = 32,666,131.19/8,427.54
  6. Step 6: Final answer
    x = 3,876.12

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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.