Home / 4,787.06-7,180.59-1,455.32

Finding the Fourth Proportional to 4,787.06, 7,180.59 and 1,455.32

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Solution

The fourth proportional to 4,787.06, 7,180.59 and 1,455.32 is: 2,182.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.06 : 7,180.59 = 1,455.32 : x
  2. Step 2: Convert to fraction form
    4,787.06/7,180.59 = 1,455.32/x
  3. Step 3: Cross multiply
    4,787.06x = 7,180.59 × 1,455.32
  4. Step 4: Simplify right side
    4,787.06x = 10,450,020.34
  5. Step 5: Solve for x
    x = 10,450,020.34/4,787.06
  6. Step 6: Final answer
    x = 2,182.97

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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.