Home / 4,715.14-7,074.51-1,755.40

Finding the Fourth Proportional to 4,715.14, 7,074.51 and 1,755.40

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Solution

The fourth proportional to 4,715.14, 7,074.51 and 1,755.40 is: 2,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.14 : 7,074.51 = 1,755.40 : x
  2. Step 2: Convert to fraction form
    4,715.14/7,074.51 = 1,755.40/x
  3. Step 3: Cross multiply
    4,715.14x = 7,074.51 × 1,755.40
  4. Step 4: Simplify right side
    4,715.14x = 12,418,594.85
  5. Step 5: Solve for x
    x = 12,418,594.85/4,715.14
  6. Step 6: Final answer
    x = 2,633.77

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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.