Home / 8,811.05-12,159.62-5,273.57

Finding the Fourth Proportional to 8,811.05, 12,159.62 and 5,273.57

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Solution

The fourth proportional to 8,811.05, 12,159.62 and 5,273.57 is: 7,277.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.05 : 12,159.62 = 5,273.57 : x
  2. Step 2: Convert to fraction form
    8,811.05/12,159.62 = 5,273.57/x
  3. Step 3: Cross multiply
    8,811.05x = 12,159.62 × 5,273.57
  4. Step 4: Simplify right side
    8,811.05x = 64,124,631.05
  5. Step 5: Solve for x
    x = 64,124,631.05/8,811.05
  6. Step 6: Final answer
    x = 7,277.76

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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.