Home / 5,727.51-7,903.17-3,209.76

Finding the Fourth Proportional to 5,727.51, 7,903.17 and 3,209.76

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Solution

The fourth proportional to 5,727.51, 7,903.17 and 3,209.76 is: 4,429.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.51 : 7,903.17 = 3,209.76 : x
  2. Step 2: Convert to fraction form
    5,727.51/7,903.17 = 3,209.76/x
  3. Step 3: Cross multiply
    5,727.51x = 7,903.17 × 3,209.76
  4. Step 4: Simplify right side
    5,727.51x = 25,367,278.94
  5. Step 5: Solve for x
    x = 25,367,278.94/5,727.51
  6. Step 6: Final answer
    x = 4,429.02

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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.