Home / 8,555.96-11,806.45-4,778.60

Finding the Fourth Proportional to 8,555.96, 11,806.45 and 4,778.60

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Solution

The fourth proportional to 8,555.96, 11,806.45 and 4,778.60 is: 6,594.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.96 : 11,806.45 = 4,778.60 : x
  2. Step 2: Convert to fraction form
    8,555.96/11,806.45 = 4,778.60/x
  3. Step 3: Cross multiply
    8,555.96x = 11,806.45 × 4,778.60
  4. Step 4: Simplify right side
    8,555.96x = 56,418,301.97
  5. Step 5: Solve for x
    x = 56,418,301.97/8,555.96
  6. Step 6: Final answer
    x = 6,594.04

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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.