Home / 7,991.36-11,984.24-3,062.40

Finding the Fourth Proportional to 7,991.36, 11,984.24 and 3,062.40

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Solution

The fourth proportional to 7,991.36, 11,984.24 and 3,062.40 is: 4,592.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.36 : 11,984.24 = 3,062.40 : x
  2. Step 2: Convert to fraction form
    7,991.36/11,984.24 = 3,062.40/x
  3. Step 3: Cross multiply
    7,991.36x = 11,984.24 × 3,062.40
  4. Step 4: Simplify right side
    7,991.36x = 36,700,536.58
  5. Step 5: Solve for x
    x = 36,700,536.58/7,991.36
  6. Step 6: Final answer
    x = 4,592.53

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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.