Home / 9,134.27-13,703.53-3,869.72

Finding the Fourth Proportional to 9,134.27, 13,703.53 and 3,869.72

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Solution

The fourth proportional to 9,134.27, 13,703.53 and 3,869.72 is: 5,805.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.27 : 13,703.53 = 3,869.72 : x
  2. Step 2: Convert to fraction form
    9,134.27/13,703.53 = 3,869.72/x
  3. Step 3: Cross multiply
    9,134.27x = 13,703.53 × 3,869.72
  4. Step 4: Simplify right side
    9,134.27x = 53,028,881.65
  5. Step 5: Solve for x
    x = 53,028,881.65/9,134.27
  6. Step 6: Final answer
    x = 5,805.49

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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.