Home / 8,556.72-11,808.36-4,728.42

Finding the Fourth Proportional to 8,556.72, 11,808.36 and 4,728.42

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Solution

The fourth proportional to 8,556.72, 11,808.36 and 4,728.42 is: 6,525.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.72 : 11,808.36 = 4,728.42 : x
  2. Step 2: Convert to fraction form
    8,556.72/11,808.36 = 4,728.42/x
  3. Step 3: Cross multiply
    8,556.72x = 11,808.36 × 4,728.42
  4. Step 4: Simplify right side
    8,556.72x = 55,834,885.59
  5. Step 5: Solve for x
    x = 55,834,885.59/8,556.72
  6. Step 6: Final answer
    x = 6,525.27

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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.