Home / 6,991.43-10,490.81-4,525.61

Finding the Fourth Proportional to 6,991.43, 10,490.81 and 4,525.61

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Solution

The fourth proportional to 6,991.43, 10,490.81 and 4,525.61 is: 6,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.43 : 10,490.81 = 4,525.61 : x
  2. Step 2: Convert to fraction form
    6,991.43/10,490.81 = 4,525.61/x
  3. Step 3: Cross multiply
    6,991.43x = 10,490.81 × 4,525.61
  4. Step 4: Simplify right side
    6,991.43x = 47,477,239.56
  5. Step 5: Solve for x
    x = 47,477,239.56/6,991.43
  6. Step 6: Final answer
    x = 6,790.78

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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.