Home / 4,908.48-7,358.37-1,787.91

Finding the Fourth Proportional to 4,908.48, 7,358.37 and 1,787.91

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Solution

The fourth proportional to 4,908.48, 7,358.37 and 1,787.91 is: 2,680.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.48 : 7,358.37 = 1,787.91 : x
  2. Step 2: Convert to fraction form
    4,908.48/7,358.37 = 1,787.91/x
  3. Step 3: Cross multiply
    4,908.48x = 7,358.37 × 1,787.91
  4. Step 4: Simplify right side
    4,908.48x = 13,156,069.01
  5. Step 5: Solve for x
    x = 13,156,069.01/4,908.48
  6. Step 6: Final answer
    x = 2,680.27

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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.