Home / 5,727.39-7,903.75-5,257.19

Finding the Fourth Proportional to 5,727.39, 7,903.75 and 5,257.19

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Solution

The fourth proportional to 5,727.39, 7,903.75 and 5,257.19 is: 7,254.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.39 : 7,903.75 = 5,257.19 : x
  2. Step 2: Convert to fraction form
    5,727.39/7,903.75 = 5,257.19/x
  3. Step 3: Cross multiply
    5,727.39x = 7,903.75 × 5,257.19
  4. Step 4: Simplify right side
    5,727.39x = 41,551,475.94
  5. Step 5: Solve for x
    x = 41,551,475.94/5,727.39
  6. Step 6: Final answer
    x = 7,254.87

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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.