Home / 7,821.36-11,734.44-5,628.24

Finding the Fourth Proportional to 7,821.36, 11,734.44 and 5,628.24

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Solution

The fourth proportional to 7,821.36, 11,734.44 and 5,628.24 is: 8,444.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.36 : 11,734.44 = 5,628.24 : x
  2. Step 2: Convert to fraction form
    7,821.36/11,734.44 = 5,628.24/x
  3. Step 3: Cross multiply
    7,821.36x = 11,734.44 × 5,628.24
  4. Step 4: Simplify right side
    7,821.36x = 66,044,244.59
  5. Step 5: Solve for x
    x = 66,044,244.59/7,821.36
  6. Step 6: Final answer
    x = 8,444.09

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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.