Home / 7,877.98-11,814.03-2,612.02

Finding the Fourth Proportional to 7,877.98, 11,814.03 and 2,612.02

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Solution

The fourth proportional to 7,877.98, 11,814.03 and 2,612.02 is: 3,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.98 : 11,814.03 = 2,612.02 : x
  2. Step 2: Convert to fraction form
    7,877.98/11,814.03 = 2,612.02/x
  3. Step 3: Cross multiply
    7,877.98x = 11,814.03 × 2,612.02
  4. Step 4: Simplify right side
    7,877.98x = 30,858,482.64
  5. Step 5: Solve for x
    x = 30,858,482.64/7,877.98
  6. Step 6: Final answer
    x = 3,917.06

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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.