Home / 4,679.38-7,018.60-1,559.05

Finding the Fourth Proportional to 4,679.38, 7,018.60 and 1,559.05

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Solution

The fourth proportional to 4,679.38, 7,018.60 and 1,559.05 is: 2,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.38 : 7,018.60 = 1,559.05 : x
  2. Step 2: Convert to fraction form
    4,679.38/7,018.60 = 1,559.05/x
  3. Step 3: Cross multiply
    4,679.38x = 7,018.60 × 1,559.05
  4. Step 4: Simplify right side
    4,679.38x = 10,942,356.13
  5. Step 5: Solve for x
    x = 10,942,356.13/4,679.38
  6. Step 6: Final answer
    x = 2,338.42

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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.