Home / 8,555.52-11,806.68-4,778.58

Finding the Fourth Proportional to 8,555.52, 11,806.68 and 4,778.58

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Solution

The fourth proportional to 8,555.52, 11,806.68 and 4,778.58 is: 6,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.52 : 11,806.68 = 4,778.58 : x
  2. Step 2: Convert to fraction form
    8,555.52/11,806.68 = 4,778.58/x
  3. Step 3: Cross multiply
    8,555.52x = 11,806.68 × 4,778.58
  4. Step 4: Simplify right side
    8,555.52x = 56,419,164.91
  5. Step 5: Solve for x
    x = 56,419,164.91/8,555.52
  6. Step 6: Final answer
    x = 6,594.48

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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.