Home / 5,727.18-7,903.59-3,489.15

Finding the Fourth Proportional to 5,727.18, 7,903.59 and 3,489.15

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Solution

The fourth proportional to 5,727.18, 7,903.59 and 3,489.15 is: 4,815.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.18 : 7,903.59 = 3,489.15 : x
  2. Step 2: Convert to fraction form
    5,727.18/7,903.59 = 3,489.15/x
  3. Step 3: Cross multiply
    5,727.18x = 7,903.59 × 3,489.15
  4. Step 4: Simplify right side
    5,727.18x = 27,576,811.05
  5. Step 5: Solve for x
    x = 27,576,811.05/5,727.18
  6. Step 6: Final answer
    x = 4,815.08

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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.