Home / 4,877.88-7,316.94-1,591.02

Finding the Fourth Proportional to 4,877.88, 7,316.94 and 1,591.02

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Solution

The fourth proportional to 4,877.88, 7,316.94 and 1,591.02 is: 2,386.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.88 : 7,316.94 = 1,591.02 : x
  2. Step 2: Convert to fraction form
    4,877.88/7,316.94 = 1,591.02/x
  3. Step 3: Cross multiply
    4,877.88x = 7,316.94 × 1,591.02
  4. Step 4: Simplify right side
    4,877.88x = 11,641,397.88
  5. Step 5: Solve for x
    x = 11,641,397.88/4,877.88
  6. Step 6: Final answer
    x = 2,386.57

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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.