Home / 5,545.35-8,315.72-2,256.21

Finding the Fourth Proportional to 5,545.35, 8,315.72 and 2,256.21

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Solution

The fourth proportional to 5,545.35, 8,315.72 and 2,256.21 is: 3,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.35 : 8,315.72 = 2,256.21 : x
  2. Step 2: Convert to fraction form
    5,545.35/8,315.72 = 2,256.21/x
  3. Step 3: Cross multiply
    5,545.35x = 8,315.72 × 2,256.21
  4. Step 4: Simplify right side
    5,545.35x = 18,761,957.76
  5. Step 5: Solve for x
    x = 18,761,957.76/5,545.35
  6. Step 6: Final answer
    x = 3,383.37

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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.