Home / 7,931.44-11,901.30-3,983.32

Finding the Fourth Proportional to 7,931.44, 11,901.30 and 3,983.32

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Solution

The fourth proportional to 7,931.44, 11,901.30 and 3,983.32 is: 5,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.44 : 11,901.30 = 3,983.32 : x
  2. Step 2: Convert to fraction form
    7,931.44/11,901.30 = 3,983.32/x
  3. Step 3: Cross multiply
    7,931.44x = 11,901.30 × 3,983.32
  4. Step 4: Simplify right side
    7,931.44x = 47,406,686.32
  5. Step 5: Solve for x
    x = 47,406,686.32/7,931.44
  6. Step 6: Final answer
    x = 5,977.06

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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.