Home / 5,079.40-7,618.82-1,616.38

Finding the Fourth Proportional to 5,079.40, 7,618.82 and 1,616.38

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Solution

The fourth proportional to 5,079.40, 7,618.82 and 1,616.38 is: 2,424.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.40 : 7,618.82 = 1,616.38 : x
  2. Step 2: Convert to fraction form
    5,079.40/7,618.82 = 1,616.38/x
  3. Step 3: Cross multiply
    5,079.40x = 7,618.82 × 1,616.38
  4. Step 4: Simplify right side
    5,079.40x = 12,314,908.27
  5. Step 5: Solve for x
    x = 12,314,908.27/5,079.40
  6. Step 6: Final answer
    x = 2,424.48

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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.