Home / 4,779.74-7,171.02-2,587.88

Finding the Fourth Proportional to 4,779.74, 7,171.02 and 2,587.88

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Solution

The fourth proportional to 4,779.74, 7,171.02 and 2,587.88 is: 3,882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.74 : 7,171.02 = 2,587.88 : x
  2. Step 2: Convert to fraction form
    4,779.74/7,171.02 = 2,587.88/x
  3. Step 3: Cross multiply
    4,779.74x = 7,171.02 × 2,587.88
  4. Step 4: Simplify right side
    4,779.74x = 18,557,739.24
  5. Step 5: Solve for x
    x = 18,557,739.24/4,779.74
  6. Step 6: Final answer
    x = 3,882.58

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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.