Home / 5,157.55-7,120.34-3,566.53

Finding the Fourth Proportional to 5,157.55, 7,120.34 and 3,566.53

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Solution

The fourth proportional to 5,157.55, 7,120.34 and 3,566.53 is: 4,923.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.55 : 7,120.34 = 3,566.53 : x
  2. Step 2: Convert to fraction form
    5,157.55/7,120.34 = 3,566.53/x
  3. Step 3: Cross multiply
    5,157.55x = 7,120.34 × 3,566.53
  4. Step 4: Simplify right side
    5,157.55x = 25,394,888.39
  5. Step 5: Solve for x
    x = 25,394,888.39/5,157.55
  6. Step 6: Final answer
    x = 4,923.83

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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.