Home / 7,875.73-11,810.66-2,609.77

Finding the Fourth Proportional to 7,875.73, 11,810.66 and 2,609.77

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Solution

The fourth proportional to 7,875.73, 11,810.66 and 2,609.77 is: 3,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.73 : 11,810.66 = 2,609.77 : x
  2. Step 2: Convert to fraction form
    7,875.73/11,810.66 = 2,609.77/x
  3. Step 3: Cross multiply
    7,875.73x = 11,810.66 × 2,609.77
  4. Step 4: Simplify right side
    7,875.73x = 30,823,093.10
  5. Step 5: Solve for x
    x = 30,823,093.10/7,875.73
  6. Step 6: Final answer
    x = 3,913.68

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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.