Home / 9,303.31-13,956.36-2,728.72

Finding the Fourth Proportional to 9,303.31, 13,956.36 and 2,728.72

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Solution

The fourth proportional to 9,303.31, 13,956.36 and 2,728.72 is: 4,093.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303.31 : 13,956.36 = 2,728.72 : x
  2. Step 2: Convert to fraction form
    9,303.31/13,956.36 = 2,728.72/x
  3. Step 3: Cross multiply
    9,303.31x = 13,956.36 × 2,728.72
  4. Step 4: Simplify right side
    9,303.31x = 38,082,998.66
  5. Step 5: Solve for x
    x = 38,082,998.66/9,303.31
  6. Step 6: Final answer
    x = 4,093.49

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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.