Home / 4,749.76-6,553.56-2,760.40

Finding the Fourth Proportional to 4,749.76, 6,553.56 and 2,760.40

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Solution

The fourth proportional to 4,749.76, 6,553.56 and 2,760.40 is: 3,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.76 : 6,553.56 = 2,760.40 : x
  2. Step 2: Convert to fraction form
    4,749.76/6,553.56 = 2,760.40/x
  3. Step 3: Cross multiply
    4,749.76x = 6,553.56 × 2,760.40
  4. Step 4: Simplify right side
    4,749.76x = 18,090,447.02
  5. Step 5: Solve for x
    x = 18,090,447.02/4,749.76
  6. Step 6: Final answer
    x = 3,808.71

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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.