Home / 4,749.70-6,554.49-2,887.30

Finding the Fourth Proportional to 4,749.70, 6,554.49 and 2,887.30

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Solution

The fourth proportional to 4,749.70, 6,554.49 and 2,887.30 is: 3,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.70 : 6,554.49 = 2,887.30 : x
  2. Step 2: Convert to fraction form
    4,749.70/6,554.49 = 2,887.30/x
  3. Step 3: Cross multiply
    4,749.70x = 6,554.49 × 2,887.30
  4. Step 4: Simplify right side
    4,749.70x = 18,924,778.98
  5. Step 5: Solve for x
    x = 18,924,778.98/4,749.70
  6. Step 6: Final answer
    x = 3,984.42

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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.