Home / 8,353.62-11,525.76-5,166.90

Finding the Fourth Proportional to 8,353.62, 11,525.76 and 5,166.90

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Solution

The fourth proportional to 8,353.62, 11,525.76 and 5,166.90 is: 7,128.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.62 : 11,525.76 = 5,166.90 : x
  2. Step 2: Convert to fraction form
    8,353.62/11,525.76 = 5,166.90/x
  3. Step 3: Cross multiply
    8,353.62x = 11,525.76 × 5,166.90
  4. Step 4: Simplify right side
    8,353.62x = 59,552,449.34
  5. Step 5: Solve for x
    x = 59,552,449.34/8,353.62
  6. Step 6: Final answer
    x = 7,128.94

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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.