Home / 7,775.22-11,659.73-3,389.58

Finding the Fourth Proportional to 7,775.22, 11,659.73 and 3,389.58

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Solution

The fourth proportional to 7,775.22, 11,659.73 and 3,389.58 is: 5,083.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.22 : 11,659.73 = 3,389.58 : x
  2. Step 2: Convert to fraction form
    7,775.22/11,659.73 = 3,389.58/x
  3. Step 3: Cross multiply
    7,775.22x = 11,659.73 × 3,389.58
  4. Step 4: Simplify right side
    7,775.22x = 39,521,570.67
  5. Step 5: Solve for x
    x = 39,521,570.67/7,775.22
  6. Step 6: Final answer
    x = 5,083.02

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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.