Home / 6,519.12-9,779.16-1,902

Finding the Fourth Proportional to 6,519.12, 9,779.16 and 1,902

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Solution

The fourth proportional to 6,519.12, 9,779.16 and 1,902 is: 2,853.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.12 : 9,779.16 = 1,902 : x
  2. Step 2: Convert to fraction form
    6,519.12/9,779.16 = 1,902/x
  3. Step 3: Cross multiply
    6,519.12x = 9,779.16 × 1,902
  4. Step 4: Simplify right side
    6,519.12x = 18,599,962.32
  5. Step 5: Solve for x
    x = 18,599,962.32/6,519.12
  6. Step 6: Final answer
    x = 2,853.14

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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.