Home / 9,213.12-13,819.20-2,973.02

Finding the Fourth Proportional to 9,213.12, 13,819.20 and 2,973.02

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Solution

The fourth proportional to 9,213.12, 13,819.20 and 2,973.02 is: 4,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.12 : 13,819.20 = 2,973.02 : x
  2. Step 2: Convert to fraction form
    9,213.12/13,819.20 = 2,973.02/x
  3. Step 3: Cross multiply
    9,213.12x = 13,819.20 × 2,973.02
  4. Step 4: Simplify right side
    9,213.12x = 41,084,688.89
  5. Step 5: Solve for x
    x = 41,084,688.89/9,213.12
  6. Step 6: Final answer
    x = 4,459.37

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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.