Home / 4,455.54-6,683.92-1,857.88

Finding the Fourth Proportional to 4,455.54, 6,683.92 and 1,857.88

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Solution

The fourth proportional to 4,455.54, 6,683.92 and 1,857.88 is: 2,787.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.54 : 6,683.92 = 1,857.88 : x
  2. Step 2: Convert to fraction form
    4,455.54/6,683.92 = 1,857.88/x
  3. Step 3: Cross multiply
    4,455.54x = 6,683.92 × 1,857.88
  4. Step 4: Simplify right side
    4,455.54x = 12,417,921.29
  5. Step 5: Solve for x
    x = 12,417,921.29/4,455.54
  6. Step 6: Final answer
    x = 2,787.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.