Home / 9,235.91-13,874.37-5,728.51

Finding the Fourth Proportional to 9,235.91, 13,874.37 and 5,728.51

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Solution

The fourth proportional to 9,235.91, 13,874.37 and 5,728.51 is: 8,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.91 : 13,874.37 = 5,728.51 : x
  2. Step 2: Convert to fraction form
    9,235.91/13,874.37 = 5,728.51/x
  3. Step 3: Cross multiply
    9,235.91x = 13,874.37 × 5,728.51
  4. Step 4: Simplify right side
    9,235.91x = 79,479,467.29
  5. Step 5: Solve for x
    x = 79,479,467.29/9,235.91
  6. Step 6: Final answer
    x = 8,605.48

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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.