Home / 10,780.08-16,170.88-3,854.64

Finding the Fourth Proportional to 10,780.08, 16,170.88 and 3,854.64

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Solution

The fourth proportional to 10,780.08, 16,170.88 and 3,854.64 is: 5,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.08 : 16,170.88 = 3,854.64 : x
  2. Step 2: Convert to fraction form
    10,780.08/16,170.88 = 3,854.64/x
  3. Step 3: Cross multiply
    10,780.08x = 16,170.88 × 3,854.64
  4. Step 4: Simplify right side
    10,780.08x = 62,332,920.88
  5. Step 5: Solve for x
    x = 62,332,920.88/10,780.08
  6. Step 6: Final answer
    x = 5,782.23

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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.