Home / 6,810.24-10,212.48-2,128.99

Finding the Fourth Proportional to 6,810.24, 10,212.48 and 2,128.99

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Solution

The fourth proportional to 6,810.24, 10,212.48 and 2,128.99 is: 3,192.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.24 : 10,212.48 = 2,128.99 : x
  2. Step 2: Convert to fraction form
    6,810.24/10,212.48 = 2,128.99/x
  3. Step 3: Cross multiply
    6,810.24x = 10,212.48 × 2,128.99
  4. Step 4: Simplify right side
    6,810.24x = 21,742,297.54
  5. Step 5: Solve for x
    x = 21,742,297.54/6,810.24
  6. Step 6: Final answer
    x = 3,192.59

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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.