Home / 7,581.95-11,365.73-2,648.38

Finding the Fourth Proportional to 7,581.95, 11,365.73 and 2,648.38

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Solution

The fourth proportional to 7,581.95, 11,365.73 and 2,648.38 is: 3,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.95 : 11,365.73 = 2,648.38 : x
  2. Step 2: Convert to fraction form
    7,581.95/11,365.73 = 2,648.38/x
  3. Step 3: Cross multiply
    7,581.95x = 11,365.73 × 2,648.38
  4. Step 4: Simplify right side
    7,581.95x = 30,100,750.22
  5. Step 5: Solve for x
    x = 30,100,750.22/7,581.95
  6. Step 6: Final answer
    x = 3,970.05

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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.