Home / 5,553.09-7,647.62-4,889.70

Finding the Fourth Proportional to 5,553.09, 7,647.62 and 4,889.70

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Solution

The fourth proportional to 5,553.09, 7,647.62 and 4,889.70 is: 6,734.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.09 : 7,647.62 = 4,889.70 : x
  2. Step 2: Convert to fraction form
    5,553.09/7,647.62 = 4,889.70/x
  3. Step 3: Cross multiply
    5,553.09x = 7,647.62 × 4,889.70
  4. Step 4: Simplify right side
    5,553.09x = 37,394,543.07
  5. Step 5: Solve for x
    x = 37,394,543.07/5,553.09
  6. Step 6: Final answer
    x = 6,734.01

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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.