Home / 4,579.64-6,864.13-2,109.27

Finding the Fourth Proportional to 4,579.64, 6,864.13 and 2,109.27

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Solution

The fourth proportional to 4,579.64, 6,864.13 and 2,109.27 is: 3,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.64 : 6,864.13 = 2,109.27 : x
  2. Step 2: Convert to fraction form
    4,579.64/6,864.13 = 2,109.27/x
  3. Step 3: Cross multiply
    4,579.64x = 6,864.13 × 2,109.27
  4. Step 4: Simplify right side
    4,579.64x = 14,478,280.38
  5. Step 5: Solve for x
    x = 14,478,280.38/4,579.64
  6. Step 6: Final answer
    x = 3,161.45

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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.