Home / 4,748.60-6,553.10-2,759.20

Finding the Fourth Proportional to 4,748.60, 6,553.10 and 2,759.20

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Solution

The fourth proportional to 4,748.60, 6,553.10 and 2,759.20 is: 3,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.60 : 6,553.10 = 2,759.20 : x
  2. Step 2: Convert to fraction form
    4,748.60/6,553.10 = 2,759.20/x
  3. Step 3: Cross multiply
    4,748.60x = 6,553.10 × 2,759.20
  4. Step 4: Simplify right side
    4,748.60x = 18,081,313.52
  5. Step 5: Solve for x
    x = 18,081,313.52/4,748.60
  6. Step 6: Final answer
    x = 3,807.71

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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.