Home / 8,670.24-13,003.88-3,122.54

Finding the Fourth Proportional to 8,670.24, 13,003.88 and 3,122.54

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Solution

The fourth proportional to 8,670.24, 13,003.88 and 3,122.54 is: 4,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.24 : 13,003.88 = 3,122.54 : x
  2. Step 2: Convert to fraction form
    8,670.24/13,003.88 = 3,122.54/x
  3. Step 3: Cross multiply
    8,670.24x = 13,003.88 × 3,122.54
  4. Step 4: Simplify right side
    8,670.24x = 40,605,135.46
  5. Step 5: Solve for x
    x = 40,605,135.46/8,670.24
  6. Step 6: Final answer
    x = 4,683.28

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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.