Home / 5,727.50-7,904.33-3,209.52

Finding the Fourth Proportional to 5,727.50, 7,904.33 and 3,209.52

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Solution

The fourth proportional to 5,727.50, 7,904.33 and 3,209.52 is: 4,429.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.50 : 7,904.33 = 3,209.52 : x
  2. Step 2: Convert to fraction form
    5,727.50/7,904.33 = 3,209.52/x
  3. Step 3: Cross multiply
    5,727.50x = 7,904.33 × 3,209.52
  4. Step 4: Simplify right side
    5,727.50x = 25,369,089.17
  5. Step 5: Solve for x
    x = 25,369,089.17/5,727.50
  6. Step 6: Final answer
    x = 4,429.35

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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.