Home / 4,756.38-7,134.59-1,678.38

Finding the Fourth Proportional to 4,756.38, 7,134.59 and 1,678.38

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Solution

The fourth proportional to 4,756.38, 7,134.59 and 1,678.38 is: 2,517.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.38 : 7,134.59 = 1,678.38 : x
  2. Step 2: Convert to fraction form
    4,756.38/7,134.59 = 1,678.38/x
  3. Step 3: Cross multiply
    4,756.38x = 7,134.59 × 1,678.38
  4. Step 4: Simplify right side
    4,756.38x = 11,974,553.16
  5. Step 5: Solve for x
    x = 11,974,553.16/4,756.38
  6. Step 6: Final answer
    x = 2,517.58

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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.