Home / 7,985.05-11,977.67-4,474.51

Finding the Fourth Proportional to 7,985.05, 11,977.67 and 4,474.51

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Solution

The fourth proportional to 7,985.05, 11,977.67 and 4,474.51 is: 6,711.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.05 : 11,977.67 = 4,474.51 : x
  2. Step 2: Convert to fraction form
    7,985.05/11,977.67 = 4,474.51/x
  3. Step 3: Cross multiply
    7,985.05x = 11,977.67 × 4,474.51
  4. Step 4: Simplify right side
    7,985.05x = 53,594,185.43
  5. Step 5: Solve for x
    x = 53,594,185.43/7,985.05
  6. Step 6: Final answer
    x = 6,711.82

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Similar ratio
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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.