Home / 9,291.96-13,940.34-4,611.78

Finding the Fourth Proportional to 9,291.96, 13,940.34 and 4,611.78

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Solution

The fourth proportional to 9,291.96, 13,940.34 and 4,611.78 is: 6,918.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.96 : 13,940.34 = 4,611.78 : x
  2. Step 2: Convert to fraction form
    9,291.96/13,940.34 = 4,611.78/x
  3. Step 3: Cross multiply
    9,291.96x = 13,940.34 × 4,611.78
  4. Step 4: Simplify right side
    9,291.96x = 64,289,781.21
  5. Step 5: Solve for x
    x = 64,289,781.21/9,291.96
  6. Step 6: Final answer
    x = 6,918.86

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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.