Home / 6,324.48-8,730.56-3,936.64

Finding the Fourth Proportional to 6,324.48, 8,730.56 and 3,936.64

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Solution

The fourth proportional to 6,324.48, 8,730.56 and 3,936.64 is: 5,434.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,324.48 : 8,730.56 = 3,936.64 : x
  2. Step 2: Convert to fraction form
    6,324.48/8,730.56 = 3,936.64/x
  3. Step 3: Cross multiply
    6,324.48x = 8,730.56 × 3,936.64
  4. Step 4: Simplify right side
    6,324.48x = 34,369,071.72
  5. Step 5: Solve for x
    x = 34,369,071.72/6,324.48
  6. Step 6: Final answer
    x = 5,434.29

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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.