Home / 7,353.90-11,028.99-2,159.76

Finding the Fourth Proportional to 7,353.90, 11,028.99 and 2,159.76

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Solution

The fourth proportional to 7,353.90, 11,028.99 and 2,159.76 is: 3,239.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.90 : 11,028.99 = 2,159.76 : x
  2. Step 2: Convert to fraction form
    7,353.90/11,028.99 = 2,159.76/x
  3. Step 3: Cross multiply
    7,353.90x = 11,028.99 × 2,159.76
  4. Step 4: Simplify right side
    7,353.90x = 23,819,971.44
  5. Step 5: Solve for x
    x = 23,819,971.44/7,353.90
  6. Step 6: Final answer
    x = 3,239.09

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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.