Home / 9,212.20-12,720.60-5,860.96

Finding the Fourth Proportional to 9,212.20, 12,720.60 and 5,860.96

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Solution

The fourth proportional to 9,212.20, 12,720.60 and 5,860.96 is: 8,093.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.20 : 12,720.60 = 5,860.96 : x
  2. Step 2: Convert to fraction form
    9,212.20/12,720.60 = 5,860.96/x
  3. Step 3: Cross multiply
    9,212.20x = 12,720.60 × 5,860.96
  4. Step 4: Simplify right side
    9,212.20x = 74,554,927.78
  5. Step 5: Solve for x
    x = 74,554,927.78/9,212.20
  6. Step 6: Final answer
    x = 8,093.06

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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.