Home / 4,753.52-7,115.70-2,556.80

Finding the Fourth Proportional to 4,753.52, 7,115.70 and 2,556.80

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Solution

The fourth proportional to 4,753.52, 7,115.70 and 2,556.80 is: 3,827.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.52 : 7,115.70 = 2,556.80 : x
  2. Step 2: Convert to fraction form
    4,753.52/7,115.70 = 2,556.80/x
  3. Step 3: Cross multiply
    4,753.52x = 7,115.70 × 2,556.80
  4. Step 4: Simplify right side
    4,753.52x = 18,193,421.76
  5. Step 5: Solve for x
    x = 18,193,421.76/4,753.52
  6. Step 6: Final answer
    x = 3,827.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.