Home / 4,387.72-6,579.90-2,386

Finding the Fourth Proportional to 4,387.72, 6,579.90 and 2,386

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Solution

The fourth proportional to 4,387.72, 6,579.90 and 2,386 is: 3,578.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.72 : 6,579.90 = 2,386 : x
  2. Step 2: Convert to fraction form
    4,387.72/6,579.90 = 2,386/x
  3. Step 3: Cross multiply
    4,387.72x = 6,579.90 × 2,386
  4. Step 4: Simplify right side
    4,387.72x = 15,699,641.40
  5. Step 5: Solve for x
    x = 15,699,641.40/4,387.72
  6. Step 6: Final answer
    x = 3,578.09

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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.