Home / 5,727.55-7,903.95-3,209.68

Finding the Fourth Proportional to 5,727.55, 7,903.95 and 3,209.68

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Solution

The fourth proportional to 5,727.55, 7,903.95 and 3,209.68 is: 4,429.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.55 : 7,903.95 = 3,209.68 : x
  2. Step 2: Convert to fraction form
    5,727.55/7,903.95 = 3,209.68/x
  3. Step 3: Cross multiply
    5,727.55x = 7,903.95 × 3,209.68
  4. Step 4: Simplify right side
    5,727.55x = 25,369,150.24
  5. Step 5: Solve for x
    x = 25,369,150.24/5,727.55
  6. Step 6: Final answer
    x = 4,429.32

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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.