Home / 8,830.80-13,246.20-2,987.33

Finding the Fourth Proportional to 8,830.80, 13,246.20 and 2,987.33

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Solution

The fourth proportional to 8,830.80, 13,246.20 and 2,987.33 is: 4,480.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.80 : 13,246.20 = 2,987.33 : x
  2. Step 2: Convert to fraction form
    8,830.80/13,246.20 = 2,987.33/x
  3. Step 3: Cross multiply
    8,830.80x = 13,246.20 × 2,987.33
  4. Step 4: Simplify right side
    8,830.80x = 39,570,704.42
  5. Step 5: Solve for x
    x = 39,570,704.42/8,830.80
  6. Step 6: Final answer
    x = 4,480.99

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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.