Home / 5,795.40-7,997.58-3,142.80

Finding the Fourth Proportional to 5,795.40, 7,997.58 and 3,142.80

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Solution

The fourth proportional to 5,795.40, 7,997.58 and 3,142.80 is: 4,337.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,795.40 : 7,997.58 = 3,142.80 : x
  2. Step 2: Convert to fraction form
    5,795.40/7,997.58 = 3,142.80/x
  3. Step 3: Cross multiply
    5,795.40x = 7,997.58 × 3,142.80
  4. Step 4: Simplify right side
    5,795.40x = 25,134,794.42
  5. Step 5: Solve for x
    x = 25,134,794.42/5,795.40
  6. Step 6: Final answer
    x = 4,337.02

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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.