Home / 4,722.79-7,083.88-1,435.91

Finding the Fourth Proportional to 4,722.79, 7,083.88 and 1,435.91

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Solution

The fourth proportional to 4,722.79, 7,083.88 and 1,435.91 is: 2,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.79 : 7,083.88 = 1,435.91 : x
  2. Step 2: Convert to fraction form
    4,722.79/7,083.88 = 1,435.91/x
  3. Step 3: Cross multiply
    4,722.79x = 7,083.88 × 1,435.91
  4. Step 4: Simplify right side
    4,722.79x = 10,171,801.69
  5. Step 5: Solve for x
    x = 10,171,801.69/4,722.79
  6. Step 6: Final answer
    x = 2,153.77

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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.