Home / 4,880.85-7,318.79-1,591.83

Finding the Fourth Proportional to 4,880.85, 7,318.79 and 1,591.83

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Solution

The fourth proportional to 4,880.85, 7,318.79 and 1,591.83 is: 2,386.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.85 : 7,318.79 = 1,591.83 : x
  2. Step 2: Convert to fraction form
    4,880.85/7,318.79 = 1,591.83/x
  3. Step 3: Cross multiply
    4,880.85x = 7,318.79 × 1,591.83
  4. Step 4: Simplify right side
    4,880.85x = 11,650,261.53
  5. Step 5: Solve for x
    x = 11,650,261.53/4,880.85
  6. Step 6: Final answer
    x = 2,386.93

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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.