Home / 8,830.12-13,247.13-2,986.60

Finding the Fourth Proportional to 8,830.12, 13,247.13 and 2,986.60

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Solution

The fourth proportional to 8,830.12, 13,247.13 and 2,986.60 is: 4,480.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.12 : 13,247.13 = 2,986.60 : x
  2. Step 2: Convert to fraction form
    8,830.12/13,247.13 = 2,986.60/x
  3. Step 3: Cross multiply
    8,830.12x = 13,247.13 × 2,986.60
  4. Step 4: Simplify right side
    8,830.12x = 39,563,878.46
  5. Step 5: Solve for x
    x = 39,563,878.46/8,830.12
  6. Step 6: Final answer
    x = 4,480.56

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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.