Home / 5,469.81-7,545.97-3,345.44

Finding the Fourth Proportional to 5,469.81, 7,545.97 and 3,345.44

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Solution

The fourth proportional to 5,469.81, 7,545.97 and 3,345.44 is: 4,615.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.81 : 7,545.97 = 3,345.44 : x
  2. Step 2: Convert to fraction form
    5,469.81/7,545.97 = 3,345.44/x
  3. Step 3: Cross multiply
    5,469.81x = 7,545.97 × 3,345.44
  4. Step 4: Simplify right side
    5,469.81x = 25,244,543.78
  5. Step 5: Solve for x
    x = 25,244,543.78/5,469.81
  6. Step 6: Final answer
    x = 4,615.25

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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.