Home / 8,418.84-12,628.27-3,737.75

Finding the Fourth Proportional to 8,418.84, 12,628.27 and 3,737.75

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Solution

The fourth proportional to 8,418.84, 12,628.27 and 3,737.75 is: 5,606.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.84 : 12,628.27 = 3,737.75 : x
  2. Step 2: Convert to fraction form
    8,418.84/12,628.27 = 3,737.75/x
  3. Step 3: Cross multiply
    8,418.84x = 12,628.27 × 3,737.75
  4. Step 4: Simplify right side
    8,418.84x = 47,201,348.51
  5. Step 5: Solve for x
    x = 47,201,348.51/8,418.84
  6. Step 6: Final answer
    x = 5,606.63

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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.