Home / 7,988.16-10,996.96-5,995.36

Finding the Fourth Proportional to 7,988.16, 10,996.96 and 5,995.36

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Solution

The fourth proportional to 7,988.16, 10,996.96 and 5,995.36 is: 8,253.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.16 : 10,996.96 = 5,995.36 : x
  2. Step 2: Convert to fraction form
    7,988.16/10,996.96 = 5,995.36/x
  3. Step 3: Cross multiply
    7,988.16x = 10,996.96 × 5,995.36
  4. Step 4: Simplify right side
    7,988.16x = 65,930,734.11
  5. Step 5: Solve for x
    x = 65,930,734.11/7,988.16
  6. Step 6: Final answer
    x = 8,253.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.