Home / 9,277.62-12,803.12-5,028.72

Finding the Fourth Proportional to 9,277.62, 12,803.12 and 5,028.72

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Solution

The fourth proportional to 9,277.62, 12,803.12 and 5,028.72 is: 6,939.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,277.62 : 12,803.12 = 5,028.72 : x
  2. Step 2: Convert to fraction form
    9,277.62/12,803.12 = 5,028.72/x
  3. Step 3: Cross multiply
    9,277.62x = 12,803.12 × 5,028.72
  4. Step 4: Simplify right side
    9,277.62x = 64,383,216.45
  5. Step 5: Solve for x
    x = 64,383,216.45/9,277.62
  6. Step 6: Final answer
    x = 6,939.63

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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.