Home / 8,169.02-12,248.64-3,240.98

Finding the Fourth Proportional to 8,169.02, 12,248.64 and 3,240.98

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Solution

The fourth proportional to 8,169.02, 12,248.64 and 3,240.98 is: 4,859.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.02 : 12,248.64 = 3,240.98 : x
  2. Step 2: Convert to fraction form
    8,169.02/12,248.64 = 3,240.98/x
  3. Step 3: Cross multiply
    8,169.02x = 12,248.64 × 3,240.98
  4. Step 4: Simplify right side
    8,169.02x = 39,697,597.27
  5. Step 5: Solve for x
    x = 39,697,597.27/8,169.02
  6. Step 6: Final answer
    x = 4,859.53

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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.