Home / 7,669.62-11,490.08-4,372.74

Finding the Fourth Proportional to 7,669.62, 11,490.08 and 4,372.74

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Solution

The fourth proportional to 7,669.62, 11,490.08 and 4,372.74 is: 6,550.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.62 : 11,490.08 = 4,372.74 : x
  2. Step 2: Convert to fraction form
    7,669.62/11,490.08 = 4,372.74/x
  3. Step 3: Cross multiply
    7,669.62x = 11,490.08 × 4,372.74
  4. Step 4: Simplify right side
    7,669.62x = 50,243,110.56
  5. Step 5: Solve for x
    x = 50,243,110.56/7,669.62
  6. Step 6: Final answer
    x = 6,550.93

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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.