Home / 5,186.02-7,779.66-1,900.66

Finding the Fourth Proportional to 5,186.02, 7,779.66 and 1,900.66

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Solution

The fourth proportional to 5,186.02, 7,779.66 and 1,900.66 is: 2,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.02 : 7,779.66 = 1,900.66 : x
  2. Step 2: Convert to fraction form
    5,186.02/7,779.66 = 1,900.66/x
  3. Step 3: Cross multiply
    5,186.02x = 7,779.66 × 1,900.66
  4. Step 4: Simplify right side
    5,186.02x = 14,786,488.58
  5. Step 5: Solve for x
    x = 14,786,488.58/5,186.02
  6. Step 6: Final answer
    x = 2,851.22

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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.