Home / 5,727.78-7,904.25-3,210.06

Finding the Fourth Proportional to 5,727.78, 7,904.25 and 3,210.06

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Solution

The fourth proportional to 5,727.78, 7,904.25 and 3,210.06 is: 4,429.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.78 : 7,904.25 = 3,210.06 : x
  2. Step 2: Convert to fraction form
    5,727.78/7,904.25 = 3,210.06/x
  3. Step 3: Cross multiply
    5,727.78x = 7,904.25 × 3,210.06
  4. Step 4: Simplify right side
    5,727.78x = 25,373,116.76
  5. Step 5: Solve for x
    x = 25,373,116.76/5,727.78
  6. Step 6: Final answer
    x = 4,429.83

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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.