Home / 7,165.44-10,746.24-1,971.60

Finding the Fourth Proportional to 7,165.44, 10,746.24 and 1,971.60

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Solution

The fourth proportional to 7,165.44, 10,746.24 and 1,971.60 is: 2,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.44 : 10,746.24 = 1,971.60 : x
  2. Step 2: Convert to fraction form
    7,165.44/10,746.24 = 1,971.60/x
  3. Step 3: Cross multiply
    7,165.44x = 10,746.24 × 1,971.60
  4. Step 4: Simplify right side
    7,165.44x = 21,187,286.78
  5. Step 5: Solve for x
    x = 21,187,286.78/7,165.44
  6. Step 6: Final answer
    x = 2,956.87

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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.