Home / 5,589.28-7,713.48-3,231.64

Finding the Fourth Proportional to 5,589.28, 7,713.48 and 3,231.64

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Solution

The fourth proportional to 5,589.28, 7,713.48 and 3,231.64 is: 4,459.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.28 : 7,713.48 = 3,231.64 : x
  2. Step 2: Convert to fraction form
    5,589.28/7,713.48 = 3,231.64/x
  3. Step 3: Cross multiply
    5,589.28x = 7,713.48 × 3,231.64
  4. Step 4: Simplify right side
    5,589.28x = 24,927,190.51
  5. Step 5: Solve for x
    x = 24,927,190.51/5,589.28
  6. Step 6: Final answer
    x = 4,459.82

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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.