Home / 8,529.30-11,771.53-4,991.83

Finding the Fourth Proportional to 8,529.30, 11,771.53 and 4,991.83

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Solution

The fourth proportional to 8,529.30, 11,771.53 and 4,991.83 is: 6,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.30 : 11,771.53 = 4,991.83 : x
  2. Step 2: Convert to fraction form
    8,529.30/11,771.53 = 4,991.83/x
  3. Step 3: Cross multiply
    8,529.30x = 11,771.53 × 4,991.83
  4. Step 4: Simplify right side
    8,529.30x = 58,761,434.69
  5. Step 5: Solve for x
    x = 58,761,434.69/8,529.30
  6. Step 6: Final answer
    x = 6,889.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.