Home / 4,749.60-6,554.49-2,760.21

Finding the Fourth Proportional to 4,749.60, 6,554.49 and 2,760.21

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Solution

The fourth proportional to 4,749.60, 6,554.49 and 2,760.21 is: 3,809.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.60 : 6,554.49 = 2,760.21 : x
  2. Step 2: Convert to fraction form
    4,749.60/6,554.49 = 2,760.21/x
  3. Step 3: Cross multiply
    4,749.60x = 6,554.49 × 2,760.21
  4. Step 4: Simplify right side
    4,749.60x = 18,091,768.84
  5. Step 5: Solve for x
    x = 18,091,768.84/4,749.60
  6. Step 6: Final answer
    x = 3,809.11

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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.