Home / 5,142.30-7,704.96-4,051.50

Finding the Fourth Proportional to 5,142.30, 7,704.96 and 4,051.50

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Solution

The fourth proportional to 5,142.30, 7,704.96 and 4,051.50 is: 6,070.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.30 : 7,704.96 = 4,051.50 : x
  2. Step 2: Convert to fraction form
    5,142.30/7,704.96 = 4,051.50/x
  3. Step 3: Cross multiply
    5,142.30x = 7,704.96 × 4,051.50
  4. Step 4: Simplify right side
    5,142.30x = 31,216,645.44
  5. Step 5: Solve for x
    x = 31,216,645.44/5,142.30
  6. Step 6: Final answer
    x = 6,070.56

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1.5x scale

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.