Home / 4,415.28-6,619.86-3,726.42

Finding the Fourth Proportional to 4,415.28, 6,619.86 and 3,726.42

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Solution

The fourth proportional to 4,415.28, 6,619.86 and 3,726.42 is: 5,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.28 : 6,619.86 = 3,726.42 : x
  2. Step 2: Convert to fraction form
    4,415.28/6,619.86 = 3,726.42/x
  3. Step 3: Cross multiply
    4,415.28x = 6,619.86 × 3,726.42
  4. Step 4: Simplify right side
    4,415.28x = 24,668,378.70
  5. Step 5: Solve for x
    x = 24,668,378.70/4,415.28
  6. Step 6: Final answer
    x = 5,587.05

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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.