Home / 7,664.55-11,494.99-2,117.77

Finding the Fourth Proportional to 7,664.55, 11,494.99 and 2,117.77

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Solution

The fourth proportional to 7,664.55, 11,494.99 and 2,117.77 is: 3,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.55 : 11,494.99 = 2,117.77 : x
  2. Step 2: Convert to fraction form
    7,664.55/11,494.99 = 2,117.77/x
  3. Step 3: Cross multiply
    7,664.55x = 11,494.99 × 2,117.77
  4. Step 4: Simplify right side
    7,664.55x = 24,343,744.97
  5. Step 5: Solve for x
    x = 24,343,744.97/7,664.55
  6. Step 6: Final answer
    x = 3,176.15

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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.