Home / 7,397.74-11,090.13-2,779.66

Finding the Fourth Proportional to 7,397.74, 11,090.13 and 2,779.66

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Solution

The fourth proportional to 7,397.74, 11,090.13 and 2,779.66 is: 4,167.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.74 : 11,090.13 = 2,779.66 : x
  2. Step 2: Convert to fraction form
    7,397.74/11,090.13 = 2,779.66/x
  3. Step 3: Cross multiply
    7,397.74x = 11,090.13 × 2,779.66
  4. Step 4: Simplify right side
    7,397.74x = 30,826,790.76
  5. Step 5: Solve for x
    x = 30,826,790.76/7,397.74
  6. Step 6: Final answer
    x = 4,167.06

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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.