Home / 8,636.18-11,917.04-4,858.74

Finding the Fourth Proportional to 8,636.18, 11,917.04 and 4,858.74

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Solution

The fourth proportional to 8,636.18, 11,917.04 and 4,858.74 is: 6,704.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.18 : 11,917.04 = 4,858.74 : x
  2. Step 2: Convert to fraction form
    8,636.18/11,917.04 = 4,858.74/x
  3. Step 3: Cross multiply
    8,636.18x = 11,917.04 × 4,858.74
  4. Step 4: Simplify right side
    8,636.18x = 57,901,774.64
  5. Step 5: Solve for x
    x = 57,901,774.64/8,636.18
  6. Step 6: Final answer
    x = 6,704.56

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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.