Home / 7,731.66-11,598.21-2,538.06

Finding the Fourth Proportional to 7,731.66, 11,598.21 and 2,538.06

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Solution

The fourth proportional to 7,731.66, 11,598.21 and 2,538.06 is: 3,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.66 : 11,598.21 = 2,538.06 : x
  2. Step 2: Convert to fraction form
    7,731.66/11,598.21 = 2,538.06/x
  3. Step 3: Cross multiply
    7,731.66x = 11,598.21 × 2,538.06
  4. Step 4: Simplify right side
    7,731.66x = 29,436,952.87
  5. Step 5: Solve for x
    x = 29,436,952.87/7,731.66
  6. Step 6: Final answer
    x = 3,807.33

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1.5x scale

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.