Home / 5,545.90-7,650.30-3,554.20

Finding the Fourth Proportional to 5,545.90, 7,650.30 and 3,554.20

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Solution

The fourth proportional to 5,545.90, 7,650.30 and 3,554.20 is: 4,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.90 : 7,650.30 = 3,554.20 : x
  2. Step 2: Convert to fraction form
    5,545.90/7,650.30 = 3,554.20/x
  3. Step 3: Cross multiply
    5,545.90x = 7,650.30 × 3,554.20
  4. Step 4: Simplify right side
    5,545.90x = 27,190,696.26
  5. Step 5: Solve for x
    x = 27,190,696.26/5,545.90
  6. Step 6: Final answer
    x = 4,902.85

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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.