Home / 5,173.88-7,761.63-1,711.94

Finding the Fourth Proportional to 5,173.88, 7,761.63 and 1,711.94

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Solution

The fourth proportional to 5,173.88, 7,761.63 and 1,711.94 is: 2,568.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.88 : 7,761.63 = 1,711.94 : x
  2. Step 2: Convert to fraction form
    5,173.88/7,761.63 = 1,711.94/x
  3. Step 3: Cross multiply
    5,173.88x = 7,761.63 × 1,711.94
  4. Step 4: Simplify right side
    5,173.88x = 13,287,397.49
  5. Step 5: Solve for x
    x = 13,287,397.49/5,173.88
  6. Step 6: Final answer
    x = 2,568.17

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1.5x scale

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.