Home / 7,986.16-11,988.05-4,657.97

Finding the Fourth Proportional to 7,986.16, 11,988.05 and 4,657.97

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Solution

The fourth proportional to 7,986.16, 11,988.05 and 4,657.97 is: 6,992.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.16 : 11,988.05 = 4,657.97 : x
  2. Step 2: Convert to fraction form
    7,986.16/11,988.05 = 4,657.97/x
  3. Step 3: Cross multiply
    7,986.16x = 11,988.05 × 4,657.97
  4. Step 4: Simplify right side
    7,986.16x = 55,839,977.26
  5. Step 5: Solve for x
    x = 55,839,977.26/7,986.16
  6. Step 6: Final answer
    x = 6,992.09

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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.