Home / 5,675.58-7,831.42-3,157.64

Finding the Fourth Proportional to 5,675.58, 7,831.42 and 3,157.64

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Solution

The fourth proportional to 5,675.58, 7,831.42 and 3,157.64 is: 4,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.58 : 7,831.42 = 3,157.64 : x
  2. Step 2: Convert to fraction form
    5,675.58/7,831.42 = 3,157.64/x
  3. Step 3: Cross multiply
    5,675.58x = 7,831.42 × 3,157.64
  4. Step 4: Simplify right side
    5,675.58x = 24,728,805.05
  5. Step 5: Solve for x
    x = 24,728,805.05/5,675.58
  6. Step 6: Final answer
    x = 4,357.05

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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.