Home / 8,685.25-11,985.53-4,706.33

Finding the Fourth Proportional to 8,685.25, 11,985.53 and 4,706.33

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Solution

The fourth proportional to 8,685.25, 11,985.53 and 4,706.33 is: 6,494.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.25 : 11,985.53 = 4,706.33 : x
  2. Step 2: Convert to fraction form
    8,685.25/11,985.53 = 4,706.33/x
  3. Step 3: Cross multiply
    8,685.25x = 11,985.53 × 4,706.33
  4. Step 4: Simplify right side
    8,685.25x = 56,407,775.95
  5. Step 5: Solve for x
    x = 56,407,775.95/8,685.25
  6. Step 6: Final answer
    x = 6,494.67

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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.