Home / 5,553.40-7,665.30-3,666.36

Finding the Fourth Proportional to 5,553.40, 7,665.30 and 3,666.36

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Solution

The fourth proportional to 5,553.40, 7,665.30 and 3,666.36 is: 5,060.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.40 : 7,665.30 = 3,666.36 : x
  2. Step 2: Convert to fraction form
    5,553.40/7,665.30 = 3,666.36/x
  3. Step 3: Cross multiply
    5,553.40x = 7,665.30 × 3,666.36
  4. Step 4: Simplify right side
    5,553.40x = 28,103,749.31
  5. Step 5: Solve for x
    x = 28,103,749.31/5,553.40
  6. Step 6: Final answer
    x = 5,060.64

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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.