Home / 7,759.83-11,641.77-4,987.89

Finding the Fourth Proportional to 7,759.83, 11,641.77 and 4,987.89

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Solution

The fourth proportional to 7,759.83, 11,641.77 and 4,987.89 is: 7,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.83 : 11,641.77 = 4,987.89 : x
  2. Step 2: Convert to fraction form
    7,759.83/11,641.77 = 4,987.89/x
  3. Step 3: Cross multiply
    7,759.83x = 11,641.77 × 4,987.89
  4. Step 4: Simplify right side
    7,759.83x = 58,067,868.17
  5. Step 5: Solve for x
    x = 58,067,868.17/7,759.83
  6. Step 6: Final answer
    x = 7,483.14

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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.