Home / 5,066.55-6,991.84-2,828.36

Finding the Fourth Proportional to 5,066.55, 6,991.84 and 2,828.36

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Solution

The fourth proportional to 5,066.55, 6,991.84 and 2,828.36 is: 3,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,066.55 : 6,991.84 = 2,828.36 : x
  2. Step 2: Convert to fraction form
    5,066.55/6,991.84 = 2,828.36/x
  3. Step 3: Cross multiply
    5,066.55x = 6,991.84 × 2,828.36
  4. Step 4: Simplify right side
    5,066.55x = 19,775,440.58
  5. Step 5: Solve for x
    x = 19,775,440.58/5,066.55
  6. Step 6: Final answer
    x = 3,903.14

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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.