Home / 5,816.72-8,028.84-5,519.15

Finding the Fourth Proportional to 5,816.72, 8,028.84 and 5,519.15

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Solution

The fourth proportional to 5,816.72, 8,028.84 and 5,519.15 is: 7,618.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.72 : 8,028.84 = 5,519.15 : x
  2. Step 2: Convert to fraction form
    5,816.72/8,028.84 = 5,519.15/x
  3. Step 3: Cross multiply
    5,816.72x = 8,028.84 × 5,519.15
  4. Step 4: Simplify right side
    5,816.72x = 44,312,332.14
  5. Step 5: Solve for x
    x = 44,312,332.14/5,816.72
  6. Step 6: Final answer
    x = 7,618.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.