Home / 5,727.52-7,903.40-3,209.48

Finding the Fourth Proportional to 5,727.52, 7,903.40 and 3,209.48

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Solution

The fourth proportional to 5,727.52, 7,903.40 and 3,209.48 is: 4,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.52 : 7,903.40 = 3,209.48 : x
  2. Step 2: Convert to fraction form
    5,727.52/7,903.40 = 3,209.48/x
  3. Step 3: Cross multiply
    5,727.52x = 7,903.40 × 3,209.48
  4. Step 4: Simplify right side
    5,727.52x = 25,365,804.23
  5. Step 5: Solve for x
    x = 25,365,804.23/5,727.52
  6. Step 6: Final answer
    x = 4,428.76

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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.