Home / 9,029.54-13,539.29-2,787.78

Finding the Fourth Proportional to 9,029.54, 13,539.29 and 2,787.78

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Solution

The fourth proportional to 9,029.54, 13,539.29 and 2,787.78 is: 4,180.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,029.54 : 13,539.29 = 2,787.78 : x
  2. Step 2: Convert to fraction form
    9,029.54/13,539.29 = 2,787.78/x
  3. Step 3: Cross multiply
    9,029.54x = 13,539.29 × 2,787.78
  4. Step 4: Simplify right side
    9,029.54x = 37,744,598.71
  5. Step 5: Solve for x
    x = 37,744,598.71/9,029.54
  6. Step 6: Final answer
    x = 4,180.12

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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.