Home / 7,477.11-11,214.86-2,796.12

Finding the Fourth Proportional to 7,477.11, 11,214.86 and 2,796.12

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Solution

The fourth proportional to 7,477.11, 11,214.86 and 2,796.12 is: 4,193.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.11 : 11,214.86 = 2,796.12 : x
  2. Step 2: Convert to fraction form
    7,477.11/11,214.86 = 2,796.12/x
  3. Step 3: Cross multiply
    7,477.11x = 11,214.86 × 2,796.12
  4. Step 4: Simplify right side
    7,477.11x = 31,358,080.36
  5. Step 5: Solve for x
    x = 31,358,080.36/7,477.11
  6. Step 6: Final answer
    x = 4,193.88

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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.