Home / 5,687.75-8,525.77-2,176.93

Finding the Fourth Proportional to 5,687.75, 8,525.77 and 2,176.93

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Solution

The fourth proportional to 5,687.75, 8,525.77 and 2,176.93 is: 3,263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.75 : 8,525.77 = 2,176.93 : x
  2. Step 2: Convert to fraction form
    5,687.75/8,525.77 = 2,176.93/x
  3. Step 3: Cross multiply
    5,687.75x = 8,525.77 × 2,176.93
  4. Step 4: Simplify right side
    5,687.75x = 18,559,950.97
  5. Step 5: Solve for x
    x = 18,559,950.97/5,687.75
  6. Step 6: Final answer
    x = 3,263.15

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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.