Home / 4,779.90-7,171.06-1,493.02

Finding the Fourth Proportional to 4,779.90, 7,171.06 and 1,493.02

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Solution

The fourth proportional to 4,779.90, 7,171.06 and 1,493.02 is: 2,239.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.90 : 7,171.06 = 1,493.02 : x
  2. Step 2: Convert to fraction form
    4,779.90/7,171.06 = 1,493.02/x
  3. Step 3: Cross multiply
    4,779.90x = 7,171.06 × 1,493.02
  4. Step 4: Simplify right side
    4,779.90x = 10,706,536.00
  5. Step 5: Solve for x
    x = 10,706,536.00/4,779.90
  6. Step 6: Final answer
    x = 2,239.91

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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.