Home / 4,453.20-6,171.36-4,390.56

Finding the Fourth Proportional to 4,453.20, 6,171.36 and 4,390.56

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Solution

The fourth proportional to 4,453.20, 6,171.36 and 4,390.56 is: 6,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.20 : 6,171.36 = 4,390.56 : x
  2. Step 2: Convert to fraction form
    4,453.20/6,171.36 = 4,390.56/x
  3. Step 3: Cross multiply
    4,453.20x = 6,171.36 × 4,390.56
  4. Step 4: Simplify right side
    4,453.20x = 27,095,726.36
  5. Step 5: Solve for x
    x = 27,095,726.36/4,453.20
  6. Step 6: Final answer
    x = 6,084.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.