Home / 7,541.40-11,311.39-5,091.96

Finding the Fourth Proportional to 7,541.40, 11,311.39 and 5,091.96

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Solution

The fourth proportional to 7,541.40, 11,311.39 and 5,091.96 is: 7,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.40 : 11,311.39 = 5,091.96 : x
  2. Step 2: Convert to fraction form
    7,541.40/11,311.39 = 5,091.96/x
  3. Step 3: Cross multiply
    7,541.40x = 11,311.39 × 5,091.96
  4. Step 4: Simplify right side
    7,541.40x = 57,597,119.96
  5. Step 5: Solve for x
    x = 57,597,119.96/7,541.40
  6. Step 6: Final answer
    x = 7,637.46

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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.