Home / 5,679.23-8,518.64-2,756.75

Finding the Fourth Proportional to 5,679.23, 8,518.64 and 2,756.75

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Solution

The fourth proportional to 5,679.23, 8,518.64 and 2,756.75 is: 4,135.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.23 : 8,518.64 = 2,756.75 : x
  2. Step 2: Convert to fraction form
    5,679.23/8,518.64 = 2,756.75/x
  3. Step 3: Cross multiply
    5,679.23x = 8,518.64 × 2,756.75
  4. Step 4: Simplify right side
    5,679.23x = 23,483,760.82
  5. Step 5: Solve for x
    x = 23,483,760.82/5,679.23
  6. Step 6: Final answer
    x = 4,135.03

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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.