Home / 6,889.09-10,334.40-2,207.99

Finding the Fourth Proportional to 6,889.09, 10,334.40 and 2,207.99

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Solution

The fourth proportional to 6,889.09, 10,334.40 and 2,207.99 is: 3,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.09 : 10,334.40 = 2,207.99 : x
  2. Step 2: Convert to fraction form
    6,889.09/10,334.40 = 2,207.99/x
  3. Step 3: Cross multiply
    6,889.09x = 10,334.40 × 2,207.99
  4. Step 4: Simplify right side
    6,889.09x = 22,818,240.82
  5. Step 5: Solve for x
    x = 22,818,240.82/6,889.09
  6. Step 6: Final answer
    x = 3,312.23

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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.