Home / 6,810.74-10,213.23-2,129.50

Finding the Fourth Proportional to 6,810.74, 10,213.23 and 2,129.50

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Solution

The fourth proportional to 6,810.74, 10,213.23 and 2,129.50 is: 3,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.74 : 10,213.23 = 2,129.50 : x
  2. Step 2: Convert to fraction form
    6,810.74/10,213.23 = 2,129.50/x
  3. Step 3: Cross multiply
    6,810.74x = 10,213.23 × 2,129.50
  4. Step 4: Simplify right side
    6,810.74x = 21,749,022.22
  5. Step 5: Solve for x
    x = 21,749,022.22/6,810.74
  6. Step 6: Final answer
    x = 3,193.34

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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.