Home / 8,636.31-11,917.26-4,859.40

Finding the Fourth Proportional to 8,636.31, 11,917.26 and 4,859.40

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Solution

The fourth proportional to 8,636.31, 11,917.26 and 4,859.40 is: 6,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.31 : 11,917.26 = 4,859.40 : x
  2. Step 2: Convert to fraction form
    8,636.31/11,917.26 = 4,859.40/x
  3. Step 3: Cross multiply
    8,636.31x = 11,917.26 × 4,859.40
  4. Step 4: Simplify right side
    8,636.31x = 57,910,733.24
  5. Step 5: Solve for x
    x = 57,910,733.24/8,636.31
  6. Step 6: Final answer
    x = 6,705.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.