Home / 5,545.37-7,653.89-3,657.29

Finding the Fourth Proportional to 5,545.37, 7,653.89 and 3,657.29

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Solution

The fourth proportional to 5,545.37, 7,653.89 and 3,657.29 is: 5,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.37 : 7,653.89 = 3,657.29 : x
  2. Step 2: Convert to fraction form
    5,545.37/7,653.89 = 3,657.29/x
  3. Step 3: Cross multiply
    5,545.37x = 7,653.89 × 3,657.29
  4. Step 4: Simplify right side
    5,545.37x = 27,992,438.80
  5. Step 5: Solve for x
    x = 27,992,438.80/5,545.37
  6. Step 6: Final answer
    x = 5,047.90

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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.