Home / 5,549.72-7,659.69-3,562.79

Finding the Fourth Proportional to 5,549.72, 7,659.69 and 3,562.79

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Solution

The fourth proportional to 5,549.72, 7,659.69 and 3,562.79 is: 4,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.72 : 7,659.69 = 3,562.79 : x
  2. Step 2: Convert to fraction form
    5,549.72/7,659.69 = 3,562.79/x
  3. Step 3: Cross multiply
    5,549.72x = 7,659.69 × 3,562.79
  4. Step 4: Simplify right side
    5,549.72x = 27,289,886.08
  5. Step 5: Solve for x
    x = 27,289,886.08/5,549.72
  6. Step 6: Final answer
    x = 4,917.34

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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.