Home / 8,870.09-13,309.20-3,323.88

Finding the Fourth Proportional to 8,870.09, 13,309.20 and 3,323.88

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Solution

The fourth proportional to 8,870.09, 13,309.20 and 3,323.88 is: 4,987.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.09 : 13,309.20 = 3,323.88 : x
  2. Step 2: Convert to fraction form
    8,870.09/13,309.20 = 3,323.88/x
  3. Step 3: Cross multiply
    8,870.09x = 13,309.20 × 3,323.88
  4. Step 4: Simplify right side
    8,870.09x = 44,238,183.70
  5. Step 5: Solve for x
    x = 44,238,183.70/8,870.09
  6. Step 6: Final answer
    x = 4,987.35

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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.