Home / 7,276.56-10,912.40-2,892.84

Finding the Fourth Proportional to 7,276.56, 10,912.40 and 2,892.84

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Solution

The fourth proportional to 7,276.56, 10,912.40 and 2,892.84 is: 4,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.56 : 10,912.40 = 2,892.84 : x
  2. Step 2: Convert to fraction form
    7,276.56/10,912.40 = 2,892.84/x
  3. Step 3: Cross multiply
    7,276.56x = 10,912.40 × 2,892.84
  4. Step 4: Simplify right side
    7,276.56x = 31,567,827.22
  5. Step 5: Solve for x
    x = 31,567,827.22/7,276.56
  6. Step 6: Final answer
    x = 4,338.29

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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.