Home / 7,191.66-10,777.86-5,327.58

Finding the Fourth Proportional to 7,191.66, 10,777.86 and 5,327.58

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Solution

The fourth proportional to 7,191.66, 10,777.86 and 5,327.58 is: 7,984.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.66 : 10,777.86 = 5,327.58 : x
  2. Step 2: Convert to fraction form
    7,191.66/10,777.86 = 5,327.58/x
  3. Step 3: Cross multiply
    7,191.66x = 10,777.86 × 5,327.58
  4. Step 4: Simplify right side
    7,191.66x = 57,419,911.38
  5. Step 5: Solve for x
    x = 57,419,911.38/7,191.66
  6. Step 6: Final answer
    x = 7,984.24

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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.