Home / 4,526.78-6,787.73-1,405.44

Finding the Fourth Proportional to 4,526.78, 6,787.73 and 1,405.44

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Solution

The fourth proportional to 4,526.78, 6,787.73 and 1,405.44 is: 2,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,526.78 : 6,787.73 = 1,405.44 : x
  2. Step 2: Convert to fraction form
    4,526.78/6,787.73 = 1,405.44/x
  3. Step 3: Cross multiply
    4,526.78x = 6,787.73 × 1,405.44
  4. Step 4: Simplify right side
    4,526.78x = 9,539,750.76
  5. Step 5: Solve for x
    x = 9,539,750.76/4,526.78
  6. Step 6: Final answer
    x = 2,107.41

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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.