Home / 5,400.30-8,101.60-3,061.40

Finding the Fourth Proportional to 5,400.30, 8,101.60 and 3,061.40

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Solution

The fourth proportional to 5,400.30, 8,101.60 and 3,061.40 is: 4,592.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.30 : 8,101.60 = 3,061.40 : x
  2. Step 2: Convert to fraction form
    5,400.30/8,101.60 = 3,061.40/x
  3. Step 3: Cross multiply
    5,400.30x = 8,101.60 × 3,061.40
  4. Step 4: Simplify right side
    5,400.30x = 24,802,238.24
  5. Step 5: Solve for x
    x = 24,802,238.24/5,400.30
  6. Step 6: Final answer
    x = 4,592.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.