Home / 5,727.16-7,904.04-3,209.70

Finding the Fourth Proportional to 5,727.16, 7,904.04 and 3,209.70

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Solution

The fourth proportional to 5,727.16, 7,904.04 and 3,209.70 is: 4,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.16 : 7,904.04 = 3,209.70 : x
  2. Step 2: Convert to fraction form
    5,727.16/7,904.04 = 3,209.70/x
  3. Step 3: Cross multiply
    5,727.16x = 7,904.04 × 3,209.70
  4. Step 4: Simplify right side
    5,727.16x = 25,369,591.32
  5. Step 5: Solve for x
    x = 25,369,591.32/5,727.16
  6. Step 6: Final answer
    x = 4,429.70

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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.