Home / 4,813.53-6,642.46-2,689.02

Finding the Fourth Proportional to 4,813.53, 6,642.46 and 2,689.02

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Solution

The fourth proportional to 4,813.53, 6,642.46 and 2,689.02 is: 3,710.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.53 : 6,642.46 = 2,689.02 : x
  2. Step 2: Convert to fraction form
    4,813.53/6,642.46 = 2,689.02/x
  3. Step 3: Cross multiply
    4,813.53x = 6,642.46 × 2,689.02
  4. Step 4: Simplify right side
    4,813.53x = 17,861,711.15
  5. Step 5: Solve for x
    x = 17,861,711.15/4,813.53
  6. Step 6: Final answer
    x = 3,710.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.