Home / 8,370.71-12,556.06-3,176.58

Finding the Fourth Proportional to 8,370.71, 12,556.06 and 3,176.58

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Solution

The fourth proportional to 8,370.71, 12,556.06 and 3,176.58 is: 4,764.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.71 : 12,556.06 = 3,176.58 : x
  2. Step 2: Convert to fraction form
    8,370.71/12,556.06 = 3,176.58/x
  3. Step 3: Cross multiply
    8,370.71x = 12,556.06 × 3,176.58
  4. Step 4: Simplify right side
    8,370.71x = 39,885,321.13
  5. Step 5: Solve for x
    x = 39,885,321.13/8,370.71
  6. Step 6: Final answer
    x = 4,764.87

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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.