Home / 4,485.18-6,726.87-2,818.56

Finding the Fourth Proportional to 4,485.18, 6,726.87 and 2,818.56

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Solution

The fourth proportional to 4,485.18, 6,726.87 and 2,818.56 is: 4,227.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.18 : 6,726.87 = 2,818.56 : x
  2. Step 2: Convert to fraction form
    4,485.18/6,726.87 = 2,818.56/x
  3. Step 3: Cross multiply
    4,485.18x = 6,726.87 × 2,818.56
  4. Step 4: Simplify right side
    4,485.18x = 18,960,086.71
  5. Step 5: Solve for x
    x = 18,960,086.71/4,485.18
  6. Step 6: Final answer
    x = 4,227.27

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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.