Home / 7,897.10-11,845.61-2,053.69

Finding the Fourth Proportional to 7,897.10, 11,845.61 and 2,053.69

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Solution

The fourth proportional to 7,897.10, 11,845.61 and 2,053.69 is: 3,080.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.10 : 11,845.61 = 2,053.69 : x
  2. Step 2: Convert to fraction form
    7,897.10/11,845.61 = 2,053.69/x
  3. Step 3: Cross multiply
    7,897.10x = 11,845.61 × 2,053.69
  4. Step 4: Simplify right side
    7,897.10x = 24,327,178.62
  5. Step 5: Solve for x
    x = 24,327,178.62/7,897.10
  6. Step 6: Final answer
    x = 3,080.52

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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.