Home / 4,787.67-7,177.26-2,320.02

Finding the Fourth Proportional to 4,787.67, 7,177.26 and 2,320.02

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Solution

The fourth proportional to 4,787.67, 7,177.26 and 2,320.02 is: 3,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.67 : 7,177.26 = 2,320.02 : x
  2. Step 2: Convert to fraction form
    4,787.67/7,177.26 = 2,320.02/x
  3. Step 3: Cross multiply
    4,787.67x = 7,177.26 × 2,320.02
  4. Step 4: Simplify right side
    4,787.67x = 16,651,386.75
  5. Step 5: Solve for x
    x = 16,651,386.75/4,787.67
  6. Step 6: Final answer
    x = 3,477.97

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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.