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Finding the Fourth Proportional to 4,545.44, 6,855.94 and 4,004.40

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Solution

The fourth proportional to 4,545.44, 6,855.94 and 4,004.40 is: 6,039.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.44 : 6,855.94 = 4,004.40 : x
  2. Step 2: Convert to fraction form
    4,545.44/6,855.94 = 4,004.40/x
  3. Step 3: Cross multiply
    4,545.44x = 6,855.94 × 4,004.40
  4. Step 4: Simplify right side
    4,545.44x = 27,453,926.14
  5. Step 5: Solve for x
    x = 27,453,926.14/4,545.44
  6. Step 6: Final answer
    x = 6,039.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.