Home / 4,579.89-6,320.49-2,900.69

Finding the Fourth Proportional to 4,579.89, 6,320.49 and 2,900.69

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Solution

The fourth proportional to 4,579.89, 6,320.49 and 2,900.69 is: 4,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.89 : 6,320.49 = 2,900.69 : x
  2. Step 2: Convert to fraction form
    4,579.89/6,320.49 = 2,900.69/x
  3. Step 3: Cross multiply
    4,579.89x = 6,320.49 × 2,900.69
  4. Step 4: Simplify right side
    4,579.89x = 18,333,750.54
  5. Step 5: Solve for x
    x = 18,333,750.54/4,579.89
  6. Step 6: Final answer
    x = 4,003.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.