Home / 5,539.61-7,644.60-3,021.76

Finding the Fourth Proportional to 5,539.61, 7,644.60 and 3,021.76

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Solution

The fourth proportional to 5,539.61, 7,644.60 and 3,021.76 is: 4,169.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.61 : 7,644.60 = 3,021.76 : x
  2. Step 2: Convert to fraction form
    5,539.61/7,644.60 = 3,021.76/x
  3. Step 3: Cross multiply
    5,539.61x = 7,644.60 × 3,021.76
  4. Step 4: Simplify right side
    5,539.61x = 23,100,127.38
  5. Step 5: Solve for x
    x = 23,100,127.38/5,539.61
  6. Step 6: Final answer
    x = 4,169.99

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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.