Home / 6,545.34-9,028.55-3,890.94

Finding the Fourth Proportional to 6,545.34, 9,028.55 and 3,890.94

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Solution

The fourth proportional to 6,545.34, 9,028.55 and 3,890.94 is: 5,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.34 : 9,028.55 = 3,890.94 : x
  2. Step 2: Convert to fraction form
    6,545.34/9,028.55 = 3,890.94/x
  3. Step 3: Cross multiply
    6,545.34x = 9,028.55 × 3,890.94
  4. Step 4: Simplify right side
    6,545.34x = 35,129,546.34
  5. Step 5: Solve for x
    x = 35,129,546.34/6,545.34
  6. Step 6: Final answer
    x = 5,367.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.