Home / 4,516.80-6,774.95-2,679.60

Finding the Fourth Proportional to 4,516.80, 6,774.95 and 2,679.60

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Solution

The fourth proportional to 4,516.80, 6,774.95 and 2,679.60 is: 4,019.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,516.80 : 6,774.95 = 2,679.60 : x
  2. Step 2: Convert to fraction form
    4,516.80/6,774.95 = 2,679.60/x
  3. Step 3: Cross multiply
    4,516.80x = 6,774.95 × 2,679.60
  4. Step 4: Simplify right side
    4,516.80x = 18,154,142.62
  5. Step 5: Solve for x
    x = 18,154,142.62/4,516.80
  6. Step 6: Final answer
    x = 4,019.25

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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.