Home / 7,828.25-11,742.37-5,982.66

Finding the Fourth Proportional to 7,828.25, 11,742.37 and 5,982.66

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Solution

The fourth proportional to 7,828.25, 11,742.37 and 5,982.66 is: 8,973.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.25 : 11,742.37 = 5,982.66 : x
  2. Step 2: Convert to fraction form
    7,828.25/11,742.37 = 5,982.66/x
  3. Step 3: Cross multiply
    7,828.25x = 11,742.37 × 5,982.66
  4. Step 4: Simplify right side
    7,828.25x = 70,250,592.35
  5. Step 5: Solve for x
    x = 70,250,592.35/7,828.25
  6. Step 6: Final answer
    x = 8,973.99

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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.