Home / 4,513.20-6,770.16-1,917.84

Finding the Fourth Proportional to 4,513.20, 6,770.16 and 1,917.84

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Solution

The fourth proportional to 4,513.20, 6,770.16 and 1,917.84 is: 2,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,513.20 : 6,770.16 = 1,917.84 : x
  2. Step 2: Convert to fraction form
    4,513.20/6,770.16 = 1,917.84/x
  3. Step 3: Cross multiply
    4,513.20x = 6,770.16 × 1,917.84
  4. Step 4: Simplify right side
    4,513.20x = 12,984,083.65
  5. Step 5: Solve for x
    x = 12,984,083.65/4,513.20
  6. Step 6: Final answer
    x = 2,876.91

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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.