Home / 7,101.71-10,652.60-2,171.33

Finding the Fourth Proportional to 7,101.71, 10,652.60 and 2,171.33

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Solution

The fourth proportional to 7,101.71, 10,652.60 and 2,171.33 is: 3,257.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.71 : 10,652.60 = 2,171.33 : x
  2. Step 2: Convert to fraction form
    7,101.71/10,652.60 = 2,171.33/x
  3. Step 3: Cross multiply
    7,101.71x = 10,652.60 × 2,171.33
  4. Step 4: Simplify right side
    7,101.71x = 23,130,245.84
  5. Step 5: Solve for x
    x = 23,130,245.84/7,101.71
  6. Step 6: Final answer
    x = 3,257.00

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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.