Home / 7,996.20-11,031.84-5,012.16

Finding the Fourth Proportional to 7,996.20, 11,031.84 and 5,012.16

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Solution

The fourth proportional to 7,996.20, 11,031.84 and 5,012.16 is: 6,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.20 : 11,031.84 = 5,012.16 : x
  2. Step 2: Convert to fraction form
    7,996.20/11,031.84 = 5,012.16/x
  3. Step 3: Cross multiply
    7,996.20x = 11,031.84 × 5,012.16
  4. Step 4: Simplify right side
    7,996.20x = 55,293,347.17
  5. Step 5: Solve for x
    x = 55,293,347.17/7,996.20
  6. Step 6: Final answer
    x = 6,914.95

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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.