Home / 7,740.36-11,610.99-2,810.52

Finding the Fourth Proportional to 7,740.36, 11,610.99 and 2,810.52

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Solution

The fourth proportional to 7,740.36, 11,610.99 and 2,810.52 is: 4,215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.36 : 11,610.99 = 2,810.52 : x
  2. Step 2: Convert to fraction form
    7,740.36/11,610.99 = 2,810.52/x
  3. Step 3: Cross multiply
    7,740.36x = 11,610.99 × 2,810.52
  4. Step 4: Simplify right side
    7,740.36x = 32,632,919.61
  5. Step 5: Solve for x
    x = 32,632,919.61/7,740.36
  6. Step 6: Final answer
    x = 4,215.94

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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.