Home / 7,100.28-10,650.03-2,169.51

Finding the Fourth Proportional to 7,100.28, 10,650.03 and 2,169.51

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Solution

The fourth proportional to 7,100.28, 10,650.03 and 2,169.51 is: 3,254.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.28 : 10,650.03 = 2,169.51 : x
  2. Step 2: Convert to fraction form
    7,100.28/10,650.03 = 2,169.51/x
  3. Step 3: Cross multiply
    7,100.28x = 10,650.03 × 2,169.51
  4. Step 4: Simplify right side
    7,100.28x = 23,105,346.59
  5. Step 5: Solve for x
    x = 23,105,346.59/7,100.28
  6. Step 6: Final answer
    x = 3,254.15

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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.