Home / 4,880.56-6,735.12-2,784.72

Finding the Fourth Proportional to 4,880.56, 6,735.12 and 2,784.72

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Solution

The fourth proportional to 4,880.56, 6,735.12 and 2,784.72 is: 3,842.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.56 : 6,735.12 = 2,784.72 : x
  2. Step 2: Convert to fraction form
    4,880.56/6,735.12 = 2,784.72/x
  3. Step 3: Cross multiply
    4,880.56x = 6,735.12 × 2,784.72
  4. Step 4: Simplify right side
    4,880.56x = 18,755,423.37
  5. Step 5: Solve for x
    x = 18,755,423.37/4,880.56
  6. Step 6: Final answer
    x = 3,842.88

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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.