Home / 8,829.42-13,243.72-2,986.08

Finding the Fourth Proportional to 8,829.42, 13,243.72 and 2,986.08

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Solution

The fourth proportional to 8,829.42, 13,243.72 and 2,986.08 is: 4,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.42 : 13,243.72 = 2,986.08 : x
  2. Step 2: Convert to fraction form
    8,829.42/13,243.72 = 2,986.08/x
  3. Step 3: Cross multiply
    8,829.42x = 13,243.72 × 2,986.08
  4. Step 4: Simplify right side
    8,829.42x = 39,546,807.42
  5. Step 5: Solve for x
    x = 39,546,807.42/8,829.42
  6. Step 6: Final answer
    x = 4,478.98

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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.