Home / 8,862.24-13,287.60-4,969.20

Finding the Fourth Proportional to 8,862.24, 13,287.60 and 4,969.20

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Solution

The fourth proportional to 8,862.24, 13,287.60 and 4,969.20 is: 7,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.24 : 13,287.60 = 4,969.20 : x
  2. Step 2: Convert to fraction form
    8,862.24/13,287.60 = 4,969.20/x
  3. Step 3: Cross multiply
    8,862.24x = 13,287.60 × 4,969.20
  4. Step 4: Simplify right side
    8,862.24x = 66,028,741.92
  5. Step 5: Solve for x
    x = 66,028,741.92/8,862.24
  6. Step 6: Final answer
    x = 7,450.57

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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.