Home / 8,854.60-13,282.38-3,309.40

Finding the Fourth Proportional to 8,854.60, 13,282.38 and 3,309.40

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Solution

The fourth proportional to 8,854.60, 13,282.38 and 3,309.40 is: 4,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.60 : 13,282.38 = 3,309.40 : x
  2. Step 2: Convert to fraction form
    8,854.60/13,282.38 = 3,309.40/x
  3. Step 3: Cross multiply
    8,854.60x = 13,282.38 × 3,309.40
  4. Step 4: Simplify right side
    8,854.60x = 43,956,708.37
  5. Step 5: Solve for x
    x = 43,956,708.37/8,854.60
  6. Step 6: Final answer
    x = 4,964.28

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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.