Home / 6,913.37-9,540.47-3,929.36

Finding the Fourth Proportional to 6,913.37, 9,540.47 and 3,929.36

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Solution

The fourth proportional to 6,913.37, 9,540.47 and 3,929.36 is: 5,422.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.37 : 9,540.47 = 3,929.36 : x
  2. Step 2: Convert to fraction form
    6,913.37/9,540.47 = 3,929.36/x
  3. Step 3: Cross multiply
    6,913.37x = 9,540.47 × 3,929.36
  4. Step 4: Simplify right side
    6,913.37x = 37,487,903.32
  5. Step 5: Solve for x
    x = 37,487,903.32/6,913.37
  6. Step 6: Final answer
    x = 5,422.52

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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.