Home / 7,112.60-10,669.64-2,733.72

Finding the Fourth Proportional to 7,112.60, 10,669.64 and 2,733.72

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Solution

The fourth proportional to 7,112.60, 10,669.64 and 2,733.72 is: 4,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.60 : 10,669.64 = 2,733.72 : x
  2. Step 2: Convert to fraction form
    7,112.60/10,669.64 = 2,733.72/x
  3. Step 3: Cross multiply
    7,112.60x = 10,669.64 × 2,733.72
  4. Step 4: Simplify right side
    7,112.60x = 29,167,808.26
  5. Step 5: Solve for x
    x = 29,167,808.26/7,112.60
  6. Step 6: Final answer
    x = 4,100.86

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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.