Home / 5,601.92-7,730.30-3,243.60

Finding the Fourth Proportional to 5,601.92, 7,730.30 and 3,243.60

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Solution

The fourth proportional to 5,601.92, 7,730.30 and 3,243.60 is: 4,475.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.92 : 7,730.30 = 3,243.60 : x
  2. Step 2: Convert to fraction form
    5,601.92/7,730.30 = 3,243.60/x
  3. Step 3: Cross multiply
    5,601.92x = 7,730.30 × 3,243.60
  4. Step 4: Simplify right side
    5,601.92x = 25,074,009.19
  5. Step 5: Solve for x
    x = 25,074,009.19/5,601.92
  6. Step 6: Final answer
    x = 4,475.97

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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.