Home / 8,466.75-11,684.53-5,109.51

Finding the Fourth Proportional to 8,466.75, 11,684.53 and 5,109.51

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Solution

The fourth proportional to 8,466.75, 11,684.53 and 5,109.51 is: 7,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.75 : 11,684.53 = 5,109.51 : x
  2. Step 2: Convert to fraction form
    8,466.75/11,684.53 = 5,109.51/x
  3. Step 3: Cross multiply
    8,466.75x = 11,684.53 × 5,109.51
  4. Step 4: Simplify right side
    8,466.75x = 59,702,222.88
  5. Step 5: Solve for x
    x = 59,702,222.88/8,466.75
  6. Step 6: Final answer
    x = 7,051.37

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Double scale
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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.