Home / 4,880.14-6,734.55-2,784.28

Finding the Fourth Proportional to 4,880.14, 6,734.55 and 2,784.28

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Solution

The fourth proportional to 4,880.14, 6,734.55 and 2,784.28 is: 3,842.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.14 : 6,734.55 = 2,784.28 : x
  2. Step 2: Convert to fraction form
    4,880.14/6,734.55 = 2,784.28/x
  3. Step 3: Cross multiply
    4,880.14x = 6,734.55 × 2,784.28
  4. Step 4: Simplify right side
    4,880.14x = 18,750,872.87
  5. Step 5: Solve for x
    x = 18,750,872.87/4,880.14
  6. Step 6: Final answer
    x = 3,842.28

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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.