Home / 4,579.61-6,315.53-2,987.48

Finding the Fourth Proportional to 4,579.61, 6,315.53 and 2,987.48

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Solution

The fourth proportional to 4,579.61, 6,315.53 and 2,987.48 is: 4,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.61 : 6,315.53 = 2,987.48 : x
  2. Step 2: Convert to fraction form
    4,579.61/6,315.53 = 2,987.48/x
  3. Step 3: Cross multiply
    4,579.61x = 6,315.53 × 2,987.48
  4. Step 4: Simplify right side
    4,579.61x = 18,867,519.56
  5. Step 5: Solve for x
    x = 18,867,519.56/4,579.61
  6. Step 6: Final answer
    x = 4,119.90

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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.