Home / 5,451.52-7,527.32-4,190.56

Finding the Fourth Proportional to 5,451.52, 7,527.32 and 4,190.56

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Solution

The fourth proportional to 5,451.52, 7,527.32 and 4,190.56 is: 5,786.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.52 : 7,527.32 = 4,190.56 : x
  2. Step 2: Convert to fraction form
    5,451.52/7,527.32 = 4,190.56/x
  3. Step 3: Cross multiply
    5,451.52x = 7,527.32 × 4,190.56
  4. Step 4: Simplify right side
    5,451.52x = 31,543,686.10
  5. Step 5: Solve for x
    x = 31,543,686.10/5,451.52
  6. Step 6: Final answer
    x = 5,786.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.