Home / 5,235.13-7,217.10-3,556.61

Finding the Fourth Proportional to 5,235.13, 7,217.10 and 3,556.61

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Solution

The fourth proportional to 5,235.13, 7,217.10 and 3,556.61 is: 4,903.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.13 : 7,217.10 = 3,556.61 : x
  2. Step 2: Convert to fraction form
    5,235.13/7,217.10 = 3,556.61/x
  3. Step 3: Cross multiply
    5,235.13x = 7,217.10 × 3,556.61
  4. Step 4: Simplify right side
    5,235.13x = 25,668,401.01
  5. Step 5: Solve for x
    x = 25,668,401.01/5,235.13
  6. Step 6: Final answer
    x = 4,903.11

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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.