Home / 4,579.31-6,317.67-2,987.83

Finding the Fourth Proportional to 4,579.31, 6,317.67 and 2,987.83

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Solution

The fourth proportional to 4,579.31, 6,317.67 and 2,987.83 is: 4,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.31 : 6,317.67 = 2,987.83 : x
  2. Step 2: Convert to fraction form
    4,579.31/6,317.67 = 2,987.83/x
  3. Step 3: Cross multiply
    4,579.31x = 6,317.67 × 2,987.83
  4. Step 4: Simplify right side
    4,579.31x = 18,876,123.96
  5. Step 5: Solve for x
    x = 18,876,123.96/4,579.31
  6. Step 6: Final answer
    x = 4,122.05

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1.5x scale

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.