Home / 6,996.45-9,654.81-4,012.11

Finding the Fourth Proportional to 6,996.45, 9,654.81 and 4,012.11

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Solution

The fourth proportional to 6,996.45, 9,654.81 and 4,012.11 is: 5,536.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,996.45 : 9,654.81 = 4,012.11 : x
  2. Step 2: Convert to fraction form
    6,996.45/9,654.81 = 4,012.11/x
  3. Step 3: Cross multiply
    6,996.45x = 9,654.81 × 4,012.11
  4. Step 4: Simplify right side
    6,996.45x = 38,736,159.75
  5. Step 5: Solve for x
    x = 38,736,159.75/6,996.45
  6. Step 6: Final answer
    x = 5,536.54

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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.