Home / 4,877.51-7,316.45-2,279.75

Finding the Fourth Proportional to 4,877.51, 7,316.45 and 2,279.75

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Solution

The fourth proportional to 4,877.51, 7,316.45 and 2,279.75 is: 3,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.51 : 7,316.45 = 2,279.75 : x
  2. Step 2: Convert to fraction form
    4,877.51/7,316.45 = 2,279.75/x
  3. Step 3: Cross multiply
    4,877.51x = 7,316.45 × 2,279.75
  4. Step 4: Simplify right side
    4,877.51x = 16,679,665.49
  5. Step 5: Solve for x
    x = 16,679,665.49/4,877.51
  6. Step 6: Final answer
    x = 3,419.71

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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.