Home / 7,245.23-10,871.33-3,545.44

Finding the Fourth Proportional to 7,245.23, 10,871.33 and 3,545.44

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Solution

The fourth proportional to 7,245.23, 10,871.33 and 3,545.44 is: 5,319.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.23 : 10,871.33 = 3,545.44 : x
  2. Step 2: Convert to fraction form
    7,245.23/10,871.33 = 3,545.44/x
  3. Step 3: Cross multiply
    7,245.23x = 10,871.33 × 3,545.44
  4. Step 4: Simplify right side
    7,245.23x = 38,543,603.33
  5. Step 5: Solve for x
    x = 38,543,603.33/7,245.23
  6. Step 6: Final answer
    x = 5,319.86

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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.