Home / 9,780.64-14,660.52-3,205.06

Finding the Fourth Proportional to 9,780.64, 14,660.52 and 3,205.06

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Solution

The fourth proportional to 9,780.64, 14,660.52 and 3,205.06 is: 4,804.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.64 : 14,660.52 = 3,205.06 : x
  2. Step 2: Convert to fraction form
    9,780.64/14,660.52 = 3,205.06/x
  3. Step 3: Cross multiply
    9,780.64x = 14,660.52 × 3,205.06
  4. Step 4: Simplify right side
    9,780.64x = 46,987,846.23
  5. Step 5: Solve for x
    x = 46,987,846.23/9,780.64
  6. Step 6: Final answer
    x = 4,804.17

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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.