Home / 7,927.02-11,890.64-3,767.45

Finding the Fourth Proportional to 7,927.02, 11,890.64 and 3,767.45

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Solution

The fourth proportional to 7,927.02, 11,890.64 and 3,767.45 is: 5,651.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.02 : 11,890.64 = 3,767.45 : x
  2. Step 2: Convert to fraction form
    7,927.02/11,890.64 = 3,767.45/x
  3. Step 3: Cross multiply
    7,927.02x = 11,890.64 × 3,767.45
  4. Step 4: Simplify right side
    7,927.02x = 44,797,379.16
  5. Step 5: Solve for x
    x = 44,797,379.16/7,927.02
  6. Step 6: Final answer
    x = 5,651.23

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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.